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Finding the Fourth Proportional to 76,001.60, 114,008.88 and 19,849.16

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Solution

The fourth proportional to 76,001.60, 114,008.88 and 19,849.16 is: 29,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,001.60 : 114,008.88 = 19,849.16 : x
  2. Step 2: Convert to fraction form
    76,001.60/114,008.88 = 19,849.16/x
  3. Step 3: Cross multiply
    76,001.60x = 114,008.88 × 19,849.16
  4. Step 4: Simplify right side
    76,001.60x = 2,262,980,500.54
  5. Step 5: Solve for x
    x = 2,262,980,500.54/76,001.60
  6. Step 6: Final answer
    x = 29,775.43

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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.