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Finding the Fourth Proportional to 69,378.62, 95,742.80 and 37,547.53

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Solution

The fourth proportional to 69,378.62, 95,742.80 and 37,547.53 is: 51,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,378.62 : 95,742.80 = 37,547.53 : x
  2. Step 2: Convert to fraction form
    69,378.62/95,742.80 = 37,547.53/x
  3. Step 3: Cross multiply
    69,378.62x = 95,742.80 × 37,547.53
  4. Step 4: Simplify right side
    69,378.62x = 3,594,905,655.28
  5. Step 5: Solve for x
    x = 3,594,905,655.28/69,378.62
  6. Step 6: Final answer
    x = 51,815.76

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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.