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Finding the Fourth Proportional to 58,808.01, 88,178.81 and 19,354.53

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Solution

The fourth proportional to 58,808.01, 88,178.81 and 19,354.53 is: 29,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.01 : 88,178.81 = 19,354.53 : x
  2. Step 2: Convert to fraction form
    58,808.01/88,178.81 = 19,354.53/x
  3. Step 3: Cross multiply
    58,808.01x = 88,178.81 × 19,354.53
  4. Step 4: Simplify right side
    58,808.01x = 1,706,659,326.74
  5. Step 5: Solve for x
    x = 1,706,659,326.74/58,808.01
  6. Step 6: Final answer
    x = 29,020.87

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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.