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Finding the Fourth Proportional to 36,456.40, 51,177.20 and 36,456.40

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Solution

The fourth proportional to 36,456.40, 51,177.20 and 36,456.40 is: 51,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456.40 : 51,177.20 = 36,456.40 : x
  2. Step 2: Convert to fraction form
    36,456.40/51,177.20 = 36,456.40/x
  3. Step 3: Cross multiply
    36,456.40x = 51,177.20 × 36,456.40
  4. Step 4: Simplify right side
    36,456.40x = 1,865,736,474.08
  5. Step 5: Solve for x
    x = 1,865,736,474.08/36,456.40
  6. Step 6: Final answer
    x = 51,177.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.