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Finding the Fourth Proportional to 53,442.68, 80,140.80 and 25,370.76

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Solution

The fourth proportional to 53,442.68, 80,140.80 and 25,370.76 is: 38,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,442.68 : 80,140.80 = 25,370.76 : x
  2. Step 2: Convert to fraction form
    53,442.68/80,140.80 = 25,370.76/x
  3. Step 3: Cross multiply
    53,442.68x = 80,140.80 × 25,370.76
  4. Step 4: Simplify right side
    53,442.68x = 2,033,233,003.01
  5. Step 5: Solve for x
    x = 2,033,233,003.01/53,442.68
  6. Step 6: Final answer
    x = 38,045.12

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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.