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Finding the Fourth Proportional to 35,642.60, 53,463.90 and 34,125.80

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Solution

The fourth proportional to 35,642.60, 53,463.90 and 34,125.80 is: 51,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.60 : 53,463.90 = 34,125.80 : x
  2. Step 2: Convert to fraction form
    35,642.60/53,463.90 = 34,125.80/x
  3. Step 3: Cross multiply
    35,642.60x = 53,463.90 × 34,125.80
  4. Step 4: Simplify right side
    35,642.60x = 1,824,498,358.62
  5. Step 5: Solve for x
    x = 1,824,498,358.62/35,642.60
  6. Step 6: Final answer
    x = 51,188.70

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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.