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Finding the Fourth Proportional to 28,568.34, 42,854.51 and 8,844.30

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Solution

The fourth proportional to 28,568.34, 42,854.51 and 8,844.30 is: 13,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.34 : 42,854.51 = 8,844.30 : x
  2. Step 2: Convert to fraction form
    28,568.34/42,854.51 = 8,844.30/x
  3. Step 3: Cross multiply
    28,568.34x = 42,854.51 × 8,844.30
  4. Step 4: Simplify right side
    28,568.34x = 379,018,142.79
  5. Step 5: Solve for x
    x = 379,018,142.79/28,568.34
  6. Step 6: Final answer
    x = 13,267.07

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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.