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Finding the Fourth Proportional to 9,031.70, 13,547.55 and 6,844.70

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Solution

The fourth proportional to 9,031.70, 13,547.55 and 6,844.70 is: 10,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.70 : 13,547.55 = 6,844.70 : x
  2. Step 2: Convert to fraction form
    9,031.70/13,547.55 = 6,844.70/x
  3. Step 3: Cross multiply
    9,031.70x = 13,547.55 × 6,844.70
  4. Step 4: Simplify right side
    9,031.70x = 92,728,915.49
  5. Step 5: Solve for x
    x = 92,728,915.49/9,031.70
  6. Step 6: Final answer
    x = 10,267.05

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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.