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Finding the Fourth Proportional to 6,875.74, 10,288.98 and 5,954.46

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Solution

The fourth proportional to 6,875.74, 10,288.98 and 5,954.46 is: 8,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.74 : 10,288.98 = 5,954.46 : x
  2. Step 2: Convert to fraction form
    6,875.74/10,288.98 = 5,954.46/x
  3. Step 3: Cross multiply
    6,875.74x = 10,288.98 × 5,954.46
  4. Step 4: Simplify right side
    6,875.74x = 61,265,319.85
  5. Step 5: Solve for x
    x = 61,265,319.85/6,875.74
  6. Step 6: Final answer
    x = 8,910.36

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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.