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Finding the Fourth Proportional to 69,438.96, 95,594.04 and 66,265.38

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Solution

The fourth proportional to 69,438.96, 95,594.04 and 66,265.38 is: 91,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.96 : 95,594.04 = 66,265.38 : x
  2. Step 2: Convert to fraction form
    69,438.96/95,594.04 = 66,265.38/x
  3. Step 3: Cross multiply
    69,438.96x = 95,594.04 × 66,265.38
  4. Step 4: Simplify right side
    69,438.96x = 6,334,575,386.34
  5. Step 5: Solve for x
    x = 6,334,575,386.34/69,438.96
  6. Step 6: Final answer
    x = 91,225.09

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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.