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Finding the Fourth Proportional to 69,479.34, 95,881.35 and 37,648.14

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Solution

The fourth proportional to 69,479.34, 95,881.35 and 37,648.14 is: 51,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.34 : 95,881.35 = 37,648.14 : x
  2. Step 2: Convert to fraction form
    69,479.34/95,881.35 = 37,648.14/x
  3. Step 3: Cross multiply
    69,479.34x = 95,881.35 × 37,648.14
  4. Step 4: Simplify right side
    69,479.34x = 3,609,754,488.19
  5. Step 5: Solve for x
    x = 3,609,754,488.19/69,479.34
  6. Step 6: Final answer
    x = 51,954.36

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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.