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Finding the Fourth Proportional to 64,001.52, 88,321.48 and 35,321.45

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Solution

The fourth proportional to 64,001.52, 88,321.48 and 35,321.45 is: 48,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001.52 : 88,321.48 = 35,321.45 : x
  2. Step 2: Convert to fraction form
    64,001.52/88,321.48 = 35,321.45/x
  3. Step 3: Cross multiply
    64,001.52x = 88,321.48 × 35,321.45
  4. Step 4: Simplify right side
    64,001.52x = 3,119,642,209.83
  5. Step 5: Solve for x
    x = 3,119,642,209.83/64,001.52
  6. Step 6: Final answer
    x = 48,743.25

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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.