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Finding the Fourth Proportional to 44,780.76, 67,160.64 and 19,807.20

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Solution

The fourth proportional to 44,780.76, 67,160.64 and 19,807.20 is: 29,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,780.76 : 67,160.64 = 19,807.20 : x
  2. Step 2: Convert to fraction form
    44,780.76/67,160.64 = 19,807.20/x
  3. Step 3: Cross multiply
    44,780.76x = 67,160.64 × 19,807.20
  4. Step 4: Simplify right side
    44,780.76x = 1,330,264,228.61
  5. Step 5: Solve for x
    x = 1,330,264,228.61/44,780.76
  6. Step 6: Final answer
    x = 29,706.16

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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.