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Finding the Fourth Proportional to 10,393.96, 15,590.96 and 2,602.76

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Solution

The fourth proportional to 10,393.96, 15,590.96 and 2,602.76 is: 3,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.96 : 15,590.96 = 2,602.76 : x
  2. Step 2: Convert to fraction form
    10,393.96/15,590.96 = 2,602.76/x
  3. Step 3: Cross multiply
    10,393.96x = 15,590.96 × 2,602.76
  4. Step 4: Simplify right side
    10,393.96x = 40,579,527.05
  5. Step 5: Solve for x
    x = 40,579,527.05/10,393.96
  6. Step 6: Final answer
    x = 3,904.15

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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.