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Finding the Fourth Proportional to 71,417.06, 98,552 and 39,585.68

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Solution

The fourth proportional to 71,417.06, 98,552 and 39,585.68 is: 54,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,417.06 : 98,552 = 39,585.68 : x
  2. Step 2: Convert to fraction form
    71,417.06/98,552 = 39,585.68/x
  3. Step 3: Cross multiply
    71,417.06x = 98,552 × 39,585.68
  4. Step 4: Simplify right side
    71,417.06x = 3,901,247,935.36
  5. Step 5: Solve for x
    x = 3,901,247,935.36/71,417.06
  6. Step 6: Final answer
    x = 54,626.27

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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.