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Finding the Fourth Proportional to 48,907.70, 73,252.20 and 42,346.70

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Solution

The fourth proportional to 48,907.70, 73,252.20 and 42,346.70 is: 63,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.70 : 73,252.20 = 42,346.70 : x
  2. Step 2: Convert to fraction form
    48,907.70/73,252.20 = 42,346.70/x
  3. Step 3: Cross multiply
    48,907.70x = 73,252.20 × 42,346.70
  4. Step 4: Simplify right side
    48,907.70x = 3,101,988,937.74
  5. Step 5: Solve for x
    x = 3,101,988,937.74/48,907.70
  6. Step 6: Final answer
    x = 63,425.37

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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.