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Finding the Fourth Proportional to 71,585.52, 98,673.12 and 48,608.16

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Solution

The fourth proportional to 71,585.52, 98,673.12 and 48,608.16 is: 67,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.52 : 98,673.12 = 48,608.16 : x
  2. Step 2: Convert to fraction form
    71,585.52/98,673.12 = 48,608.16/x
  3. Step 3: Cross multiply
    71,585.52x = 98,673.12 × 48,608.16
  4. Step 4: Simplify right side
    71,585.52x = 4,796,318,804.66
  5. Step 5: Solve for x
    x = 4,796,318,804.66/71,585.52
  6. Step 6: Final answer
    x = 67,001.24

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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.