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Finding the Fourth Proportional to 66,791.58, 92,182.50 and 38,111.10

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Solution

The fourth proportional to 66,791.58, 92,182.50 and 38,111.10 is: 52,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,791.58 : 92,182.50 = 38,111.10 : x
  2. Step 2: Convert to fraction form
    66,791.58/92,182.50 = 38,111.10/x
  3. Step 3: Cross multiply
    66,791.58x = 92,182.50 × 38,111.10
  4. Step 4: Simplify right side
    66,791.58x = 3,513,176,475.75
  5. Step 5: Solve for x
    x = 3,513,176,475.75/66,791.58
  6. Step 6: Final answer
    x = 52,599.09

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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.