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Finding the Fourth Proportional to 52,530.29, 72,491.97 and 28,657.47

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Solution

The fourth proportional to 52,530.29, 72,491.97 and 28,657.47 is: 39,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,530.29 : 72,491.97 = 28,657.47 : x
  2. Step 2: Convert to fraction form
    52,530.29/72,491.97 = 28,657.47/x
  3. Step 3: Cross multiply
    52,530.29x = 72,491.97 × 28,657.47
  4. Step 4: Simplify right side
    52,530.29x = 2,077,436,291.14
  5. Step 5: Solve for x
    x = 2,077,436,291.14/52,530.29
  6. Step 6: Final answer
    x = 39,547.40

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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.