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Finding the Fourth Proportional to 74,344.40, 111,479.70 and 26,957.60

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Solution

The fourth proportional to 74,344.40, 111,479.70 and 26,957.60 is: 40,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.40 : 111,479.70 = 26,957.60 : x
  2. Step 2: Convert to fraction form
    74,344.40/111,479.70 = 26,957.60/x
  3. Step 3: Cross multiply
    74,344.40x = 111,479.70 × 26,957.60
  4. Step 4: Simplify right side
    74,344.40x = 3,005,225,160.72
  5. Step 5: Solve for x
    x = 3,005,225,160.72/74,344.40
  6. Step 6: Final answer
    x = 40,423.02

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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.