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Finding the Fourth Proportional to 47,752.85, 65,907.05 and 27,621.97

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Solution

The fourth proportional to 47,752.85, 65,907.05 and 27,621.97 is: 38,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.85 : 65,907.05 = 27,621.97 : x
  2. Step 2: Convert to fraction form
    47,752.85/65,907.05 = 27,621.97/x
  3. Step 3: Cross multiply
    47,752.85x = 65,907.05 × 27,621.97
  4. Step 4: Simplify right side
    47,752.85x = 1,820,482,557.89
  5. Step 5: Solve for x
    x = 1,820,482,557.89/47,752.85
  6. Step 6: Final answer
    x = 38,123.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.