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Finding the Fourth Proportional to 9,088.96, 12,543.04 and 5,903.04

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Solution

The fourth proportional to 9,088.96, 12,543.04 and 5,903.04 is: 8,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.96 : 12,543.04 = 5,903.04 : x
  2. Step 2: Convert to fraction form
    9,088.96/12,543.04 = 5,903.04/x
  3. Step 3: Cross multiply
    9,088.96x = 12,543.04 × 5,903.04
  4. Step 4: Simplify right side
    9,088.96x = 74,042,066.84
  5. Step 5: Solve for x
    x = 74,042,066.84/9,088.96
  6. Step 6: Final answer
    x = 8,146.37

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Half scale
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Double scale
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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.