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Finding the Fourth Proportional to 44,752, 67,128.42 and 13,587.26

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Solution

The fourth proportional to 44,752, 67,128.42 and 13,587.26 is: 20,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,752 : 67,128.42 = 13,587.26 : x
  2. Step 2: Convert to fraction form
    44,752/67,128.42 = 13,587.26/x
  3. Step 3: Cross multiply
    44,752x = 67,128.42 × 13,587.26
  4. Step 4: Simplify right side
    44,752x = 912,091,295.93
  5. Step 5: Solve for x
    x = 912,091,295.93/44,752
  6. Step 6: Final answer
    x = 20,381.02

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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.