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Finding the Fourth Proportional to 52,753.69, 79,130.54 and 17,693.25

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Solution

The fourth proportional to 52,753.69, 79,130.54 and 17,693.25 is: 26,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.69 : 79,130.54 = 17,693.25 : x
  2. Step 2: Convert to fraction form
    52,753.69/79,130.54 = 17,693.25/x
  3. Step 3: Cross multiply
    52,753.69x = 79,130.54 × 17,693.25
  4. Step 4: Simplify right side
    52,753.69x = 1,400,076,426.86
  5. Step 5: Solve for x
    x = 1,400,076,426.86/52,753.69
  6. Step 6: Final answer
    x = 26,539.88

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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.