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Finding the Fourth Proportional to 58,345.44, 80,512.56 and 45,800.16

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Solution

The fourth proportional to 58,345.44, 80,512.56 and 45,800.16 is: 63,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.44 : 80,512.56 = 45,800.16 : x
  2. Step 2: Convert to fraction form
    58,345.44/80,512.56 = 45,800.16/x
  3. Step 3: Cross multiply
    58,345.44x = 80,512.56 × 45,800.16
  4. Step 4: Simplify right side
    58,345.44x = 3,687,488,130.01
  5. Step 5: Solve for x
    x = 3,687,488,130.01/58,345.44
  6. Step 6: Final answer
    x = 63,200.97

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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.