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Finding the Fourth Proportional to 44,320, 61,127.01 and 28,405.96

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Solution

The fourth proportional to 44,320, 61,127.01 and 28,405.96 is: 39,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,320 : 61,127.01 = 28,405.96 : x
  2. Step 2: Convert to fraction form
    44,320/61,127.01 = 28,405.96/x
  3. Step 3: Cross multiply
    44,320x = 61,127.01 × 28,405.96
  4. Step 4: Simplify right side
    44,320x = 1,736,371,400.98
  5. Step 5: Solve for x
    x = 1,736,371,400.98/44,320
  6. Step 6: Final answer
    x = 39,178.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.