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Finding the Fourth Proportional to 58,885.61, 88,274.95 and 21,419.19

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Solution

The fourth proportional to 58,885.61, 88,274.95 and 21,419.19 is: 32,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,885.61 : 88,274.95 = 21,419.19 : x
  2. Step 2: Convert to fraction form
    58,885.61/88,274.95 = 21,419.19/x
  3. Step 3: Cross multiply
    58,885.61x = 88,274.95 × 21,419.19
  4. Step 4: Simplify right side
    58,885.61x = 1,890,777,926.29
  5. Step 5: Solve for x
    x = 1,890,777,926.29/58,885.61
  6. Step 6: Final answer
    x = 32,109.34

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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.