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Finding the Fourth Proportional to 25,868.34, 38,807.46 and 8,333.46

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Solution

The fourth proportional to 25,868.34, 38,807.46 and 8,333.46 is: 12,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.34 : 38,807.46 = 8,333.46 : x
  2. Step 2: Convert to fraction form
    25,868.34/38,807.46 = 8,333.46/x
  3. Step 3: Cross multiply
    25,868.34x = 38,807.46 × 8,333.46
  4. Step 4: Simplify right side
    25,868.34x = 323,400,415.61
  5. Step 5: Solve for x
    x = 323,400,415.61/25,868.34
  6. Step 6: Final answer
    x = 12,501.78

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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.