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Finding the Fourth Proportional to 58,594, 80,857.36 and 34,391.64

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Solution

The fourth proportional to 58,594, 80,857.36 and 34,391.64 is: 47,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,594 : 80,857.36 = 34,391.64 : x
  2. Step 2: Convert to fraction form
    58,594/80,857.36 = 34,391.64/x
  3. Step 3: Cross multiply
    58,594x = 80,857.36 × 34,391.64
  4. Step 4: Simplify right side
    58,594x = 2,780,817,216.47
  5. Step 5: Solve for x
    x = 2,780,817,216.47/58,594
  6. Step 6: Final answer
    x = 47,459.08

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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.