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Finding the Fourth Proportional to 53,487.52, 80,283.12 and 25,804.96

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Solution

The fourth proportional to 53,487.52, 80,283.12 and 25,804.96 is: 38,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.52 : 80,283.12 = 25,804.96 : x
  2. Step 2: Convert to fraction form
    53,487.52/80,283.12 = 25,804.96/x
  3. Step 3: Cross multiply
    53,487.52x = 80,283.12 × 25,804.96
  4. Step 4: Simplify right side
    53,487.52x = 2,071,702,700.28
  5. Step 5: Solve for x
    x = 2,071,702,700.28/53,487.52
  6. Step 6: Final answer
    x = 38,732.45

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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.