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Finding the Fourth Proportional to 38,357.70, 57,536.01 and 10,655.70

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Solution

The fourth proportional to 38,357.70, 57,536.01 and 10,655.70 is: 15,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.70 : 57,536.01 = 10,655.70 : x
  2. Step 2: Convert to fraction form
    38,357.70/57,536.01 = 10,655.70/x
  3. Step 3: Cross multiply
    38,357.70x = 57,536.01 × 10,655.70
  4. Step 4: Simplify right side
    38,357.70x = 613,086,461.76
  5. Step 5: Solve for x
    x = 613,086,461.76/38,357.70
  6. Step 6: Final answer
    x = 15,983.40

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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.