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Finding the Fourth Proportional to 48,466, 66,884.16 and 29,613.52

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Solution

The fourth proportional to 48,466, 66,884.16 and 29,613.52 is: 40,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,466 : 66,884.16 = 29,613.52 : x
  2. Step 2: Convert to fraction form
    48,466/66,884.16 = 29,613.52/x
  3. Step 3: Cross multiply
    48,466x = 66,884.16 × 29,613.52
  4. Step 4: Simplify right side
    48,466x = 1,980,675,409.84
  5. Step 5: Solve for x
    x = 1,980,675,409.84/48,466
  6. Step 6: Final answer
    x = 40,867.32

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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.