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Finding the Fourth Proportional to 16,356.81, 22,579.17 and 11,058.81

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Solution

The fourth proportional to 16,356.81, 22,579.17 and 11,058.81 is: 15,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.81 : 22,579.17 = 11,058.81 : x
  2. Step 2: Convert to fraction form
    16,356.81/22,579.17 = 11,058.81/x
  3. Step 3: Cross multiply
    16,356.81x = 22,579.17 × 11,058.81
  4. Step 4: Simplify right side
    16,356.81x = 249,698,750.99
  5. Step 5: Solve for x
    x = 249,698,750.99/16,356.81
  6. Step 6: Final answer
    x = 15,265.74

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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.