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Finding the Fourth Proportional to 49,612.60, 74,411.70 and 14,548.60

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Solution

The fourth proportional to 49,612.60, 74,411.70 and 14,548.60 is: 21,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,612.60 : 74,411.70 = 14,548.60 : x
  2. Step 2: Convert to fraction form
    49,612.60/74,411.70 = 14,548.60/x
  3. Step 3: Cross multiply
    49,612.60x = 74,411.70 × 14,548.60
  4. Step 4: Simplify right side
    49,612.60x = 1,082,586,058.62
  5. Step 5: Solve for x
    x = 1,082,586,058.62/49,612.60
  6. Step 6: Final answer
    x = 21,820.79

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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.