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Finding the Fourth Proportional to 7,751.50, 10,697.43 and 4,348.84

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Solution

The fourth proportional to 7,751.50, 10,697.43 and 4,348.84 is: 6,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.50 : 10,697.43 = 4,348.84 : x
  2. Step 2: Convert to fraction form
    7,751.50/10,697.43 = 4,348.84/x
  3. Step 3: Cross multiply
    7,751.50x = 10,697.43 × 4,348.84
  4. Step 4: Simplify right side
    7,751.50x = 46,521,411.48
  5. Step 5: Solve for x
    x = 46,521,411.48/7,751.50
  6. Step 6: Final answer
    x = 6,001.60

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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.