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Finding the Fourth Proportional to 22,826.40, 34,239.68 and 7,031.34

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Solution

The fourth proportional to 22,826.40, 34,239.68 and 7,031.34 is: 10,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,826.40 : 34,239.68 = 7,031.34 : x
  2. Step 2: Convert to fraction form
    22,826.40/34,239.68 = 7,031.34/x
  3. Step 3: Cross multiply
    22,826.40x = 34,239.68 × 7,031.34
  4. Step 4: Simplify right side
    22,826.40x = 240,750,796.41
  5. Step 5: Solve for x
    x = 240,750,796.41/22,826.40
  6. Step 6: Final answer
    x = 10,547.03

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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.