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Finding the Fourth Proportional to 71,810.28, 107,555.03 and 52,043.45

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Solution

The fourth proportional to 71,810.28, 107,555.03 and 52,043.45 is: 77,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.28 : 107,555.03 = 52,043.45 : x
  2. Step 2: Convert to fraction form
    71,810.28/107,555.03 = 52,043.45/x
  3. Step 3: Cross multiply
    71,810.28x = 107,555.03 × 52,043.45
  4. Step 4: Simplify right side
    71,810.28x = 5,597,534,028.06
  5. Step 5: Solve for x
    x = 5,597,534,028.06/71,810.28
  6. Step 6: Final answer
    x = 77,948.92

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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.