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Finding the Fourth Proportional to 58,991.18, 88,465.92 and 19,008.57

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Solution

The fourth proportional to 58,991.18, 88,465.92 and 19,008.57 is: 28,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.18 : 88,465.92 = 19,008.57 : x
  2. Step 2: Convert to fraction form
    58,991.18/88,465.92 = 19,008.57/x
  3. Step 3: Cross multiply
    58,991.18x = 88,465.92 × 19,008.57
  4. Step 4: Simplify right side
    58,991.18x = 1,681,610,632.93
  5. Step 5: Solve for x
    x = 1,681,610,632.93/58,991.18
  6. Step 6: Final answer
    x = 28,506.14

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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.