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Finding the Fourth Proportional to 58,559.60, 80,812.25 and 31,702.32

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Solution

The fourth proportional to 58,559.60, 80,812.25 and 31,702.32 is: 43,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.60 : 80,812.25 = 31,702.32 : x
  2. Step 2: Convert to fraction form
    58,559.60/80,812.25 = 31,702.32/x
  3. Step 3: Cross multiply
    58,559.60x = 80,812.25 × 31,702.32
  4. Step 4: Simplify right side
    58,559.60x = 2,561,935,809.42
  5. Step 5: Solve for x
    x = 2,561,935,809.42/58,559.60
  6. Step 6: Final answer
    x = 43,749.20

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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.