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Finding the Fourth Proportional to 56,572.20, 79,097.40 and 56,572.20

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Solution

The fourth proportional to 56,572.20, 79,097.40 and 56,572.20 is: 79,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.20 : 79,097.40 = 56,572.20 : x
  2. Step 2: Convert to fraction form
    56,572.20/79,097.40 = 56,572.20/x
  3. Step 3: Cross multiply
    56,572.20x = 79,097.40 × 56,572.20
  4. Step 4: Simplify right side
    56,572.20x = 4,474,713,932.28
  5. Step 5: Solve for x
    x = 4,474,713,932.28/56,572.20
  6. Step 6: Final answer
    x = 79,097.40

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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.