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Finding the Fourth Proportional to 62,631.44, 86,363.88 and 47,551.76

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Solution

The fourth proportional to 62,631.44, 86,363.88 and 47,551.76 is: 65,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.44 : 86,363.88 = 47,551.76 : x
  2. Step 2: Convert to fraction form
    62,631.44/86,363.88 = 47,551.76/x
  3. Step 3: Cross multiply
    62,631.44x = 86,363.88 × 47,551.76
  4. Step 4: Simplify right side
    62,631.44x = 4,106,754,494.43
  5. Step 5: Solve for x
    x = 4,106,754,494.43/62,631.44
  6. Step 6: Final answer
    x = 65,570.18

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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.