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Finding the Fourth Proportional to 44,587, 66,911.22 and 15,403

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Solution

The fourth proportional to 44,587, 66,911.22 and 15,403 is: 23,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,587 : 66,911.22 = 15,403 : x
  2. Step 2: Convert to fraction form
    44,587/66,911.22 = 15,403/x
  3. Step 3: Cross multiply
    44,587x = 66,911.22 × 15,403
  4. Step 4: Simplify right side
    44,587x = 1,030,633,521.66
  5. Step 5: Solve for x
    x = 1,030,633,521.66/44,587
  6. Step 6: Final answer
    x = 23,115.11

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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.