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Finding the Fourth Proportional to 7,203, 10,808.70 and 3,042.76

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Solution

The fourth proportional to 7,203, 10,808.70 and 3,042.76 is: 4,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203 : 10,808.70 = 3,042.76 : x
  2. Step 2: Convert to fraction form
    7,203/10,808.70 = 3,042.76/x
  3. Step 3: Cross multiply
    7,203x = 10,808.70 × 3,042.76
  4. Step 4: Simplify right side
    7,203x = 32,888,280.01
  5. Step 5: Solve for x
    x = 32,888,280.01/7,203
  6. Step 6: Final answer
    x = 4,565.91

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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.