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Finding the Fourth Proportional to 66,158.16, 91,298.42 and 35,943.22

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Solution

The fourth proportional to 66,158.16, 91,298.42 and 35,943.22 is: 49,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.16 : 91,298.42 = 35,943.22 : x
  2. Step 2: Convert to fraction form
    66,158.16/91,298.42 = 35,943.22/x
  3. Step 3: Cross multiply
    66,158.16x = 91,298.42 × 35,943.22
  4. Step 4: Simplify right side
    66,158.16x = 3,281,559,195.71
  5. Step 5: Solve for x
    x = 3,281,559,195.71/66,158.16
  6. Step 6: Final answer
    x = 49,601.73

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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.