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Finding the Fourth Proportional to 69,999.66, 96,598.71 and 38,168.82

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Solution

The fourth proportional to 69,999.66, 96,598.71 and 38,168.82 is: 52,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,999.66 : 96,598.71 = 38,168.82 : x
  2. Step 2: Convert to fraction form
    69,999.66/96,598.71 = 38,168.82/x
  3. Step 3: Cross multiply
    69,999.66x = 96,598.71 × 38,168.82
  4. Step 4: Simplify right side
    69,999.66x = 3,687,058,774.22
  5. Step 5: Solve for x
    x = 3,687,058,774.22/69,999.66
  6. Step 6: Final answer
    x = 52,672.52

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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.