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Finding the Fourth Proportional to 8,595.63, 11,855.39 and 7,402.70

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Solution

The fourth proportional to 8,595.63, 11,855.39 and 7,402.70 is: 10,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.63 : 11,855.39 = 7,402.70 : x
  2. Step 2: Convert to fraction form
    8,595.63/11,855.39 = 7,402.70/x
  3. Step 3: Cross multiply
    8,595.63x = 11,855.39 × 7,402.70
  4. Step 4: Simplify right side
    8,595.63x = 87,761,888.18
  5. Step 5: Solve for x
    x = 87,761,888.18/8,595.63
  6. Step 6: Final answer
    x = 10,210.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.