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Finding the Fourth Proportional to 64,456.04, 96,684.24 and 20,084.24

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Solution

The fourth proportional to 64,456.04, 96,684.24 and 20,084.24 is: 30,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,456.04 : 96,684.24 = 20,084.24 : x
  2. Step 2: Convert to fraction form
    64,456.04/96,684.24 = 20,084.24/x
  3. Step 3: Cross multiply
    64,456.04x = 96,684.24 × 20,084.24
  4. Step 4: Simplify right side
    64,456.04x = 1,941,829,480.38
  5. Step 5: Solve for x
    x = 1,941,829,480.38/64,456.04
  6. Step 6: Final answer
    x = 30,126.42

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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.