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Finding the Fourth Proportional to 60,547.25, 90,761.97 and 28,949.10

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Solution

The fourth proportional to 60,547.25, 90,761.97 and 28,949.10 is: 43,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,547.25 : 90,761.97 = 28,949.10 : x
  2. Step 2: Convert to fraction form
    60,547.25/90,761.97 = 28,949.10/x
  3. Step 3: Cross multiply
    60,547.25x = 90,761.97 × 28,949.10
  4. Step 4: Simplify right side
    60,547.25x = 2,627,476,951.09
  5. Step 5: Solve for x
    x = 2,627,476,951.09/60,547.25
  6. Step 6: Final answer
    x = 43,395.48

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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.