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Finding the Fourth Proportional to 65,175.24, 89,930.88 and 37,957.08

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Solution

The fourth proportional to 65,175.24, 89,930.88 and 37,957.08 is: 52,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175.24 : 89,930.88 = 37,957.08 : x
  2. Step 2: Convert to fraction form
    65,175.24/89,930.88 = 37,957.08/x
  3. Step 3: Cross multiply
    65,175.24x = 89,930.88 × 37,957.08
  4. Step 4: Simplify right side
    65,175.24x = 3,413,513,606.63
  5. Step 5: Solve for x
    x = 3,413,513,606.63/65,175.24
  6. Step 6: Final answer
    x = 52,374.39

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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.