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Finding the Fourth Proportional to 34,353.68, 47,411.90 and 19,248.80

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Solution

The fourth proportional to 34,353.68, 47,411.90 and 19,248.80 is: 26,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353.68 : 47,411.90 = 19,248.80 : x
  2. Step 2: Convert to fraction form
    34,353.68/47,411.90 = 19,248.80/x
  3. Step 3: Cross multiply
    34,353.68x = 47,411.90 × 19,248.80
  4. Step 4: Simplify right side
    34,353.68x = 912,622,180.72
  5. Step 5: Solve for x
    x = 912,622,180.72/34,353.68
  6. Step 6: Final answer
    x = 26,565.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.