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Finding the Fourth Proportional to 17,547.70, 26,325.88 and 12,363.70

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Solution

The fourth proportional to 17,547.70, 26,325.88 and 12,363.70 is: 18,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,547.70 : 26,325.88 = 12,363.70 : x
  2. Step 2: Convert to fraction form
    17,547.70/26,325.88 = 12,363.70/x
  3. Step 3: Cross multiply
    17,547.70x = 26,325.88 × 12,363.70
  4. Step 4: Simplify right side
    17,547.70x = 325,485,282.56
  5. Step 5: Solve for x
    x = 325,485,282.56/17,547.70
  6. Step 6: Final answer
    x = 18,548.60

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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.