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Finding the Fourth Proportional to 84,966.30, 127,449.45 and 29,562.30

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Solution

The fourth proportional to 84,966.30, 127,449.45 and 29,562.30 is: 44,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.30 : 127,449.45 = 29,562.30 : x
  2. Step 2: Convert to fraction form
    84,966.30/127,449.45 = 29,562.30/x
  3. Step 3: Cross multiply
    84,966.30x = 127,449.45 × 29,562.30
  4. Step 4: Simplify right side
    84,966.30x = 3,767,698,875.74
  5. Step 5: Solve for x
    x = 3,767,698,875.74/84,966.30
  6. Step 6: Final answer
    x = 44,343.45

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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.