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Finding the Fourth Proportional to 66,695.49, 100,002.91 and 26,120.58

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Solution

The fourth proportional to 66,695.49, 100,002.91 and 26,120.58 is: 39,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695.49 : 100,002.91 = 26,120.58 : x
  2. Step 2: Convert to fraction form
    66,695.49/100,002.91 = 26,120.58/x
  3. Step 3: Cross multiply
    66,695.49x = 100,002.91 × 26,120.58
  4. Step 4: Simplify right side
    66,695.49x = 2,612,134,270.75
  5. Step 5: Solve for x
    x = 2,612,134,270.75/66,695.49
  6. Step 6: Final answer
    x = 39,165.08

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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.