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Finding the Fourth Proportional to 7,031.98, 10,547.98 and 1,837.82

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Solution

The fourth proportional to 7,031.98, 10,547.98 and 1,837.82 is: 2,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.98 : 10,547.98 = 1,837.82 : x
  2. Step 2: Convert to fraction form
    7,031.98/10,547.98 = 1,837.82/x
  3. Step 3: Cross multiply
    7,031.98x = 10,547.98 × 1,837.82
  4. Step 4: Simplify right side
    7,031.98x = 19,385,288.60
  5. Step 5: Solve for x
    x = 19,385,288.60/7,031.98
  6. Step 6: Final answer
    x = 2,756.73

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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.