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Finding the Fourth Proportional to 58,425.29, 80,626.80 and 31,567.72

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Solution

The fourth proportional to 58,425.29, 80,626.80 and 31,567.72 is: 43,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,425.29 : 80,626.80 = 31,567.72 : x
  2. Step 2: Convert to fraction form
    58,425.29/80,626.80 = 31,567.72/x
  3. Step 3: Cross multiply
    58,425.29x = 80,626.80 × 31,567.72
  4. Step 4: Simplify right side
    58,425.29x = 2,545,204,246.90
  5. Step 5: Solve for x
    x = 2,545,204,246.90/58,425.29
  6. Step 6: Final answer
    x = 43,563.40

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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.