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Finding the Fourth Proportional to 42,571.41, 63,860.76 and 17,606.67

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Solution

The fourth proportional to 42,571.41, 63,860.76 and 17,606.67 is: 26,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571.41 : 63,860.76 = 17,606.67 : x
  2. Step 2: Convert to fraction form
    42,571.41/63,860.76 = 17,606.67/x
  3. Step 3: Cross multiply
    42,571.41x = 63,860.76 × 17,606.67
  4. Step 4: Simplify right side
    42,571.41x = 1,124,375,327.27
  5. Step 5: Solve for x
    x = 1,124,375,327.27/42,571.41
  6. Step 6: Final answer
    x = 26,411.51

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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.