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Finding the Fourth Proportional to 45,292.16, 67,866.12 and 30,446.48

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Solution

The fourth proportional to 45,292.16, 67,866.12 and 30,446.48 is: 45,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,292.16 : 67,866.12 = 30,446.48 : x
  2. Step 2: Convert to fraction form
    45,292.16/67,866.12 = 30,446.48/x
  3. Step 3: Cross multiply
    45,292.16x = 67,866.12 × 30,446.48
  4. Step 4: Simplify right side
    45,292.16x = 2,066,284,465.26
  5. Step 5: Solve for x
    x = 2,066,284,465.26/45,292.16
  6. Step 6: Final answer
    x = 45,621.24

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Similar ratio
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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.