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Finding the Fourth Proportional to 5,048.58, 7,572.91 and 1,761.66

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Solution

The fourth proportional to 5,048.58, 7,572.91 and 1,761.66 is: 2,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.58 : 7,572.91 = 1,761.66 : x
  2. Step 2: Convert to fraction form
    5,048.58/7,572.91 = 1,761.66/x
  3. Step 3: Cross multiply
    5,048.58x = 7,572.91 × 1,761.66
  4. Step 4: Simplify right side
    5,048.58x = 13,340,892.63
  5. Step 5: Solve for x
    x = 13,340,892.63/5,048.58
  6. Step 6: Final answer
    x = 2,642.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.