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Finding the Fourth Proportional to 70,026.80, 96,762.84 and 53,230.64

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Solution

The fourth proportional to 70,026.80, 96,762.84 and 53,230.64 is: 73,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,026.80 : 96,762.84 = 53,230.64 : x
  2. Step 2: Convert to fraction form
    70,026.80/96,762.84 = 53,230.64/x
  3. Step 3: Cross multiply
    70,026.80x = 96,762.84 × 53,230.64
  4. Step 4: Simplify right side
    70,026.80x = 5,150,747,901.42
  5. Step 5: Solve for x
    x = 5,150,747,901.42/70,026.80
  6. Step 6: Final answer
    x = 73,553.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.