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Finding the Fourth Proportional to 69,703.93, 96,189.28 and 37,872.15

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Solution

The fourth proportional to 69,703.93, 96,189.28 and 37,872.15 is: 52,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.93 : 96,189.28 = 37,872.15 : x
  2. Step 2: Convert to fraction form
    69,703.93/96,189.28 = 37,872.15/x
  3. Step 3: Cross multiply
    69,703.93x = 96,189.28 × 37,872.15
  4. Step 4: Simplify right side
    69,703.93x = 3,642,894,840.55
  5. Step 5: Solve for x
    x = 3,642,894,840.55/69,703.93
  6. Step 6: Final answer
    x = 52,262.40

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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.