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Finding the Fourth Proportional to 64,325.80, 96,483.24 and 19,951.60

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Solution

The fourth proportional to 64,325.80, 96,483.24 and 19,951.60 is: 29,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.80 : 96,483.24 = 19,951.60 : x
  2. Step 2: Convert to fraction form
    64,325.80/96,483.24 = 19,951.60/x
  3. Step 3: Cross multiply
    64,325.80x = 96,483.24 × 19,951.60
  4. Step 4: Simplify right side
    64,325.80x = 1,924,995,011.18
  5. Step 5: Solve for x
    x = 1,924,995,011.18/64,325.80
  6. Step 6: Final answer
    x = 29,925.71

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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.