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Finding the Fourth Proportional to 16,841.28, 25,210.08 and 10,985.28

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Solution

The fourth proportional to 16,841.28, 25,210.08 and 10,985.28 is: 16,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841.28 : 25,210.08 = 10,985.28 : x
  2. Step 2: Convert to fraction form
    16,841.28/25,210.08 = 10,985.28/x
  3. Step 3: Cross multiply
    16,841.28x = 25,210.08 × 10,985.28
  4. Step 4: Simplify right side
    16,841.28x = 276,939,787.62
  5. Step 5: Solve for x
    x = 276,939,787.62/16,841.28
  6. Step 6: Final answer
    x = 16,444.11

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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.