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Finding the Fourth Proportional to 53,415.80, 80,101.56 and 15,962.48

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Solution

The fourth proportional to 53,415.80, 80,101.56 and 15,962.48 is: 23,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.80 : 80,101.56 = 15,962.48 : x
  2. Step 2: Convert to fraction form
    53,415.80/80,101.56 = 15,962.48/x
  3. Step 3: Cross multiply
    53,415.80x = 80,101.56 × 15,962.48
  4. Step 4: Simplify right side
    53,415.80x = 1,278,619,549.47
  5. Step 5: Solve for x
    x = 1,278,619,549.47/53,415.80
  6. Step 6: Final answer
    x = 23,937.10

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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.