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Finding the Fourth Proportional to 52,955.72, 73,078.88 and 29,082.40

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Solution

The fourth proportional to 52,955.72, 73,078.88 and 29,082.40 is: 40,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,955.72 : 73,078.88 = 29,082.40 : x
  2. Step 2: Convert to fraction form
    52,955.72/73,078.88 = 29,082.40/x
  3. Step 3: Cross multiply
    52,955.72x = 73,078.88 × 29,082.40
  4. Step 4: Simplify right side
    52,955.72x = 2,125,309,219.71
  5. Step 5: Solve for x
    x = 2,125,309,219.71/52,955.72
  6. Step 6: Final answer
    x = 40,133.70

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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.