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Finding the Fourth Proportional to 67,115.79, 100,686.51 and 22,730.67

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Solution

The fourth proportional to 67,115.79, 100,686.51 and 22,730.67 is: 34,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.79 : 100,686.51 = 22,730.67 : x
  2. Step 2: Convert to fraction form
    67,115.79/100,686.51 = 22,730.67/x
  3. Step 3: Cross multiply
    67,115.79x = 100,686.51 × 22,730.67
  4. Step 4: Simplify right side
    67,115.79x = 2,288,671,832.26
  5. Step 5: Solve for x
    x = 2,288,671,832.26/67,115.79
  6. Step 6: Final answer
    x = 34,100.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.