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Finding the Fourth Proportional to 58,459.63, 80,673.79 and 31,601.90

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Solution

The fourth proportional to 58,459.63, 80,673.79 and 31,601.90 is: 43,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.63 : 80,673.79 = 31,601.90 : x
  2. Step 2: Convert to fraction form
    58,459.63/80,673.79 = 31,601.90/x
  3. Step 3: Cross multiply
    58,459.63x = 80,673.79 × 31,601.90
  4. Step 4: Simplify right side
    58,459.63x = 2,549,445,044.20
  5. Step 5: Solve for x
    x = 2,549,445,044.20/58,459.63
  6. Step 6: Final answer
    x = 43,610.35

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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.