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Finding the Fourth Proportional to 9,051.36, 13,624.68 and 7,715.04

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Solution

The fourth proportional to 9,051.36, 13,624.68 and 7,715.04 is: 11,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.36 : 13,624.68 = 7,715.04 : x
  2. Step 2: Convert to fraction form
    9,051.36/13,624.68 = 7,715.04/x
  3. Step 3: Cross multiply
    9,051.36x = 13,624.68 × 7,715.04
  4. Step 4: Simplify right side
    9,051.36x = 105,114,951.19
  5. Step 5: Solve for x
    x = 105,114,951.19/9,051.36
  6. Step 6: Final answer
    x = 11,613.17

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.