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Finding the Fourth Proportional to 44,802.80, 67,139.40 and 19,822.40

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Solution

The fourth proportional to 44,802.80, 67,139.40 and 19,822.40 is: 29,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,802.80 : 67,139.40 = 19,822.40 : x
  2. Step 2: Convert to fraction form
    44,802.80/67,139.40 = 19,822.40/x
  3. Step 3: Cross multiply
    44,802.80x = 67,139.40 × 19,822.40
  4. Step 4: Simplify right side
    44,802.80x = 1,330,864,042.56
  5. Step 5: Solve for x
    x = 1,330,864,042.56/44,802.80
  6. Step 6: Final answer
    x = 29,704.93

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1.5x scale

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.