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Finding the Fourth Proportional to 38,322.99, 57,465.17 and 11,663.87

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Solution

The fourth proportional to 38,322.99, 57,465.17 and 11,663.87 is: 17,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.99 : 57,465.17 = 11,663.87 : x
  2. Step 2: Convert to fraction form
    38,322.99/57,465.17 = 11,663.87/x
  3. Step 3: Cross multiply
    38,322.99x = 57,465.17 × 11,663.87
  4. Step 4: Simplify right side
    38,322.99x = 670,265,926.76
  5. Step 5: Solve for x
    x = 670,265,926.76/38,322.99
  6. Step 6: Final answer
    x = 17,489.92

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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.