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Finding the Fourth Proportional to 7,498.80, 10,348.80 and 4,313.10

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Solution

The fourth proportional to 7,498.80, 10,348.80 and 4,313.10 is: 5,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.80 : 10,348.80 = 4,313.10 : x
  2. Step 2: Convert to fraction form
    7,498.80/10,348.80 = 4,313.10/x
  3. Step 3: Cross multiply
    7,498.80x = 10,348.80 × 4,313.10
  4. Step 4: Simplify right side
    7,498.80x = 44,635,409.28
  5. Step 5: Solve for x
    x = 44,635,409.28/7,498.80
  6. Step 6: Final answer
    x = 5,952.34

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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.