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Finding the Fourth Proportional to 67,569.99, 93,255.85 and 38,889.07

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Solution

The fourth proportional to 67,569.99, 93,255.85 and 38,889.07 is: 53,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,569.99 : 93,255.85 = 38,889.07 : x
  2. Step 2: Convert to fraction form
    67,569.99/93,255.85 = 38,889.07/x
  3. Step 3: Cross multiply
    67,569.99x = 93,255.85 × 38,889.07
  4. Step 4: Simplify right side
    67,569.99x = 3,626,633,278.56
  5. Step 5: Solve for x
    x = 3,626,633,278.56/67,569.99
  6. Step 6: Final answer
    x = 53,672.25

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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.