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Finding the Fourth Proportional to 49,602.70, 74,404.05 and 45,801.10

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Solution

The fourth proportional to 49,602.70, 74,404.05 and 45,801.10 is: 68,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,602.70 : 74,404.05 = 45,801.10 : x
  2. Step 2: Convert to fraction form
    49,602.70/74,404.05 = 45,801.10/x
  3. Step 3: Cross multiply
    49,602.70x = 74,404.05 × 45,801.10
  4. Step 4: Simplify right side
    49,602.70x = 3,407,787,334.46
  5. Step 5: Solve for x
    x = 3,407,787,334.46/49,602.70
  6. Step 6: Final answer
    x = 68,701.65

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Similar ratio
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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.