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Finding the Fourth Proportional to 48,483, 66,907.62 and 29,630.52

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Solution

The fourth proportional to 48,483, 66,907.62 and 29,630.52 is: 40,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,483 : 66,907.62 = 29,630.52 : x
  2. Step 2: Convert to fraction form
    48,483/66,907.62 = 29,630.52/x
  3. Step 3: Cross multiply
    48,483x = 66,907.62 × 29,630.52
  4. Step 4: Simplify right side
    48,483x = 1,982,507,572.56
  5. Step 5: Solve for x
    x = 1,982,507,572.56/48,483
  6. Step 6: Final answer
    x = 40,890.78

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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.