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Finding the Fourth Proportional to 32,971.04, 49,458.78 and 13,249.56

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Solution

The fourth proportional to 32,971.04, 49,458.78 and 13,249.56 is: 19,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.04 : 49,458.78 = 13,249.56 : x
  2. Step 2: Convert to fraction form
    32,971.04/49,458.78 = 13,249.56/x
  3. Step 3: Cross multiply
    32,971.04x = 49,458.78 × 13,249.56
  4. Step 4: Simplify right side
    32,971.04x = 655,307,073.14
  5. Step 5: Solve for x
    x = 655,307,073.14/32,971.04
  6. Step 6: Final answer
    x = 19,875.23

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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.