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Finding the Fourth Proportional to 62,822.40, 94,233.60 and 45,909.60

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Solution

The fourth proportional to 62,822.40, 94,233.60 and 45,909.60 is: 68,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,822.40 : 94,233.60 = 45,909.60 : x
  2. Step 2: Convert to fraction form
    62,822.40/94,233.60 = 45,909.60/x
  3. Step 3: Cross multiply
    62,822.40x = 94,233.60 × 45,909.60
  4. Step 4: Simplify right side
    62,822.40x = 4,326,226,882.56
  5. Step 5: Solve for x
    x = 4,326,226,882.56/62,822.40
  6. Step 6: Final answer
    x = 68,864.40

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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.