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Finding the Fourth Proportional to 48,614.70, 72,913.05 and 13,547.10

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Solution

The fourth proportional to 48,614.70, 72,913.05 and 13,547.10 is: 20,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.70 : 72,913.05 = 13,547.10 : x
  2. Step 2: Convert to fraction form
    48,614.70/72,913.05 = 13,547.10/x
  3. Step 3: Cross multiply
    48,614.70x = 72,913.05 × 13,547.10
  4. Step 4: Simplify right side
    48,614.70x = 987,760,379.66
  5. Step 5: Solve for x
    x = 987,760,379.66/48,614.70
  6. Step 6: Final answer
    x = 20,318.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.