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Finding the Fourth Proportional to 7,761.01, 10,710.73 and 4,403.86

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Solution

The fourth proportional to 7,761.01, 10,710.73 and 4,403.86 is: 6,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.01 : 10,710.73 = 4,403.86 : x
  2. Step 2: Convert to fraction form
    7,761.01/10,710.73 = 4,403.86/x
  3. Step 3: Cross multiply
    7,761.01x = 10,710.73 × 4,403.86
  4. Step 4: Simplify right side
    7,761.01x = 47,168,555.42
  5. Step 5: Solve for x
    x = 47,168,555.42/7,761.01
  6. Step 6: Final answer
    x = 6,077.63

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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.