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Finding the Fourth Proportional to 7,752.88, 10,703.91 and 5,104.86

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Solution

The fourth proportional to 7,752.88, 10,703.91 and 5,104.86 is: 7,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.88 : 10,703.91 = 5,104.86 : x
  2. Step 2: Convert to fraction form
    7,752.88/10,703.91 = 5,104.86/x
  3. Step 3: Cross multiply
    7,752.88x = 10,703.91 × 5,104.86
  4. Step 4: Simplify right side
    7,752.88x = 54,641,962.00
  5. Step 5: Solve for x
    x = 54,641,962.00/7,752.88
  6. Step 6: Final answer
    x = 7,047.96

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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.