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Finding the Fourth Proportional to 58,871.70, 88,300.02 and 19,419.03

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Solution

The fourth proportional to 58,871.70, 88,300.02 and 19,419.03 is: 29,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.70 : 88,300.02 = 19,419.03 : x
  2. Step 2: Convert to fraction form
    58,871.70/88,300.02 = 19,419.03/x
  3. Step 3: Cross multiply
    58,871.70x = 88,300.02 × 19,419.03
  4. Step 4: Simplify right side
    58,871.70x = 1,714,700,737.38
  5. Step 5: Solve for x
    x = 1,714,700,737.38/58,871.70
  6. Step 6: Final answer
    x = 29,126.06

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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.