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Finding the Fourth Proportional to 16,599.08, 22,929.10 and 15,418.10

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Solution

The fourth proportional to 16,599.08, 22,929.10 and 15,418.10 is: 21,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,599.08 : 22,929.10 = 15,418.10 : x
  2. Step 2: Convert to fraction form
    16,599.08/22,929.10 = 15,418.10/x
  3. Step 3: Cross multiply
    16,599.08x = 22,929.10 × 15,418.10
  4. Step 4: Simplify right side
    16,599.08x = 353,523,156.71
  5. Step 5: Solve for x
    x = 353,523,156.71/16,599.08
  6. Step 6: Final answer
    x = 21,297.76

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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.