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Finding the Fourth Proportional to 11,058.78, 16,568.01 and 9,417.18

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Solution

The fourth proportional to 11,058.78, 16,568.01 and 9,417.18 is: 14,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.78 : 16,568.01 = 9,417.18 : x
  2. Step 2: Convert to fraction form
    11,058.78/16,568.01 = 9,417.18/x
  3. Step 3: Cross multiply
    11,058.78x = 16,568.01 × 9,417.18
  4. Step 4: Simplify right side
    11,058.78x = 156,023,932.41
  5. Step 5: Solve for x
    x = 156,023,932.41/11,058.78
  6. Step 6: Final answer
    x = 14,108.60

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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.