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Finding the Fourth Proportional to 76,606.20, 114,920.10 and 24,010.20

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Solution

The fourth proportional to 76,606.20, 114,920.10 and 24,010.20 is: 36,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,606.20 : 114,920.10 = 24,010.20 : x
  2. Step 2: Convert to fraction form
    76,606.20/114,920.10 = 24,010.20/x
  3. Step 3: Cross multiply
    76,606.20x = 114,920.10 × 24,010.20
  4. Step 4: Simplify right side
    76,606.20x = 2,759,254,585.02
  5. Step 5: Solve for x
    x = 2,759,254,585.02/76,606.20
  6. Step 6: Final answer
    x = 36,018.68

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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.