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Finding the Fourth Proportional to 67,718.80, 93,467.49 and 45,058.74

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Solution

The fourth proportional to 67,718.80, 93,467.49 and 45,058.74 is: 62,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,718.80 : 93,467.49 = 45,058.74 : x
  2. Step 2: Convert to fraction form
    67,718.80/93,467.49 = 45,058.74/x
  3. Step 3: Cross multiply
    67,718.80x = 93,467.49 × 45,058.74
  4. Step 4: Simplify right side
    67,718.80x = 4,211,527,330.36
  5. Step 5: Solve for x
    x = 4,211,527,330.36/67,718.80
  6. Step 6: Final answer
    x = 62,191.41

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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.