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Finding the Fourth Proportional to 69,038.46, 95,214.06 and 47,562.48

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Solution

The fourth proportional to 69,038.46, 95,214.06 and 47,562.48 is: 65,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,038.46 : 95,214.06 = 47,562.48 : x
  2. Step 2: Convert to fraction form
    69,038.46/95,214.06 = 47,562.48/x
  3. Step 3: Cross multiply
    69,038.46x = 95,214.06 × 47,562.48
  4. Step 4: Simplify right side
    69,038.46x = 4,528,616,824.47
  5. Step 5: Solve for x
    x = 4,528,616,824.47/69,038.46
  6. Step 6: Final answer
    x = 65,595.57

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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.