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Finding the Fourth Proportional to 16,869.10, 25,246.05 and 16,869.10

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Solution

The fourth proportional to 16,869.10, 25,246.05 and 16,869.10 is: 25,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.10 : 25,246.05 = 16,869.10 : x
  2. Step 2: Convert to fraction form
    16,869.10/25,246.05 = 16,869.10/x
  3. Step 3: Cross multiply
    16,869.10x = 25,246.05 × 16,869.10
  4. Step 4: Simplify right side
    16,869.10x = 425,878,142.06
  5. Step 5: Solve for x
    x = 425,878,142.06/16,869.10
  6. Step 6: Final answer
    x = 25,246.05

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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.