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Finding the Fourth Proportional to 11,031.70, 16,547.55 and 8,844.70

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Solution

The fourth proportional to 11,031.70, 16,547.55 and 8,844.70 is: 13,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.70 : 16,547.55 = 8,844.70 : x
  2. Step 2: Convert to fraction form
    11,031.70/16,547.55 = 8,844.70/x
  3. Step 3: Cross multiply
    11,031.70x = 16,547.55 × 8,844.70
  4. Step 4: Simplify right side
    11,031.70x = 146,358,115.49
  5. Step 5: Solve for x
    x = 146,358,115.49/11,031.70
  6. Step 6: Final answer
    x = 13,267.05

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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.