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Finding the Fourth Proportional to 9,069.68, 12,516.17 and 5,036.51

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Solution

The fourth proportional to 9,069.68, 12,516.17 and 5,036.51 is: 6,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.68 : 12,516.17 = 5,036.51 : x
  2. Step 2: Convert to fraction form
    9,069.68/12,516.17 = 5,036.51/x
  3. Step 3: Cross multiply
    9,069.68x = 12,516.17 × 5,036.51
  4. Step 4: Simplify right side
    9,069.68x = 63,037,765.38
  5. Step 5: Solve for x
    x = 63,037,765.38/9,069.68
  6. Step 6: Final answer
    x = 6,950.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.