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Finding the Fourth Proportional to 69,437.86, 95,824.53 and 39,223.52

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Solution

The fourth proportional to 69,437.86, 95,824.53 and 39,223.52 is: 54,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.86 : 95,824.53 = 39,223.52 : x
  2. Step 2: Convert to fraction form
    69,437.86/95,824.53 = 39,223.52/x
  3. Step 3: Cross multiply
    69,437.86x = 95,824.53 × 39,223.52
  4. Step 4: Simplify right side
    69,437.86x = 3,758,575,368.95
  5. Step 5: Solve for x
    x = 3,758,575,368.95/69,437.86
  6. Step 6: Final answer
    x = 54,128.62

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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.