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Finding the Fourth Proportional to 58,473.32, 80,730.08 and 40,562.06

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Solution

The fourth proportional to 58,473.32, 80,730.08 and 40,562.06 is: 56,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,473.32 : 80,730.08 = 40,562.06 : x
  2. Step 2: Convert to fraction form
    58,473.32/80,730.08 = 40,562.06/x
  3. Step 3: Cross multiply
    58,473.32x = 80,730.08 × 40,562.06
  4. Step 4: Simplify right side
    58,473.32x = 3,274,577,742.30
  5. Step 5: Solve for x
    x = 3,274,577,742.30/58,473.32
  6. Step 6: Final answer
    x = 56,001.23

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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.