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Finding the Fourth Proportional to 58,989.42, 88,470.48 and 16,868.43

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Solution

The fourth proportional to 58,989.42, 88,470.48 and 16,868.43 is: 25,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.42 : 88,470.48 = 16,868.43 : x
  2. Step 2: Convert to fraction form
    58,989.42/88,470.48 = 16,868.43/x
  3. Step 3: Cross multiply
    58,989.42x = 88,470.48 × 16,868.43
  4. Step 4: Simplify right side
    58,989.42x = 1,492,358,098.95
  5. Step 5: Solve for x
    x = 1,492,358,098.95/58,989.42
  6. Step 6: Final answer
    x = 25,298.74

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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.