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Finding the Fourth Proportional to 69,699.87, 96,186.28 and 37,868.76

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Solution

The fourth proportional to 69,699.87, 96,186.28 and 37,868.76 is: 52,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,699.87 : 96,186.28 = 37,868.76 : x
  2. Step 2: Convert to fraction form
    69,699.87/96,186.28 = 37,868.76/x
  3. Step 3: Cross multiply
    69,699.87x = 96,186.28 × 37,868.76
  4. Step 4: Simplify right side
    69,699.87x = 3,642,455,152.61
  5. Step 5: Solve for x
    x = 3,642,455,152.61/69,699.87
  6. Step 6: Final answer
    x = 52,259.14

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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.