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Finding the Fourth Proportional to 51,612.64, 71,221.04 and 34,868.32

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Solution

The fourth proportional to 51,612.64, 71,221.04 and 34,868.32 is: 48,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.64 : 71,221.04 = 34,868.32 : x
  2. Step 2: Convert to fraction form
    51,612.64/71,221.04 = 34,868.32/x
  3. Step 3: Cross multiply
    51,612.64x = 71,221.04 × 34,868.32
  4. Step 4: Simplify right side
    51,612.64x = 2,483,358,013.45
  5. Step 5: Solve for x
    x = 2,483,358,013.45/51,612.64
  6. Step 6: Final answer
    x = 48,115.31

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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.