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Finding the Fourth Proportional to 53,673.40, 80,510.10 and 38,801.80

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Solution

The fourth proportional to 53,673.40, 80,510.10 and 38,801.80 is: 58,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.40 : 80,510.10 = 38,801.80 : x
  2. Step 2: Convert to fraction form
    53,673.40/80,510.10 = 38,801.80/x
  3. Step 3: Cross multiply
    53,673.40x = 80,510.10 × 38,801.80
  4. Step 4: Simplify right side
    53,673.40x = 3,123,936,798.18
  5. Step 5: Solve for x
    x = 3,123,936,798.18/53,673.40
  6. Step 6: Final answer
    x = 58,202.70

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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.