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Finding the Fourth Proportional to 7,560.63, 10,434.11 and 4,374.45

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Solution

The fourth proportional to 7,560.63, 10,434.11 and 4,374.45 is: 6,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.63 : 10,434.11 = 4,374.45 : x
  2. Step 2: Convert to fraction form
    7,560.63/10,434.11 = 4,374.45/x
  3. Step 3: Cross multiply
    7,560.63x = 10,434.11 × 4,374.45
  4. Step 4: Simplify right side
    7,560.63x = 45,643,470.62
  5. Step 5: Solve for x
    x = 45,643,470.62/7,560.63
  6. Step 6: Final answer
    x = 6,036.99

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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.