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Finding the Fourth Proportional to 58,693.53, 88,030.87 and 18,707.31

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Solution

The fourth proportional to 58,693.53, 88,030.87 and 18,707.31 is: 28,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,693.53 : 88,030.87 = 18,707.31 : x
  2. Step 2: Convert to fraction form
    58,693.53/88,030.87 = 18,707.31/x
  3. Step 3: Cross multiply
    58,693.53x = 88,030.87 × 18,707.31
  4. Step 4: Simplify right side
    58,693.53x = 1,646,820,774.66
  5. Step 5: Solve for x
    x = 1,646,820,774.66/58,693.53
  6. Step 6: Final answer
    x = 28,057.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.