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Finding the Fourth Proportional to 10,425.44, 15,637.44 and 4,502.08

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Solution

The fourth proportional to 10,425.44, 15,637.44 and 4,502.08 is: 6,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.44 : 15,637.44 = 4,502.08 : x
  2. Step 2: Convert to fraction form
    10,425.44/15,637.44 = 4,502.08/x
  3. Step 3: Cross multiply
    10,425.44x = 15,637.44 × 4,502.08
  4. Step 4: Simplify right side
    10,425.44x = 70,401,005.88
  5. Step 5: Solve for x
    x = 70,401,005.88/10,425.44
  6. Step 6: Final answer
    x = 6,752.81

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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.