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Finding the Fourth Proportional to 66,661.58, 100,034.29 and 48,616.10

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Solution

The fourth proportional to 66,661.58, 100,034.29 and 48,616.10 is: 72,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,661.58 : 100,034.29 = 48,616.10 : x
  2. Step 2: Convert to fraction form
    66,661.58/100,034.29 = 48,616.10/x
  3. Step 3: Cross multiply
    66,661.58x = 100,034.29 × 48,616.10
  4. Step 4: Simplify right side
    66,661.58x = 4,863,276,981.80
  5. Step 5: Solve for x
    x = 4,863,276,981.80/66,661.58
  6. Step 6: Final answer
    x = 72,954.72

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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.