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Finding the Fourth Proportional to 8,568.96, 11,823.84 and 5,031.84

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Solution

The fourth proportional to 8,568.96, 11,823.84 and 5,031.84 is: 6,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.96 : 11,823.84 = 5,031.84 : x
  2. Step 2: Convert to fraction form
    8,568.96/11,823.84 = 5,031.84/x
  3. Step 3: Cross multiply
    8,568.96x = 11,823.84 × 5,031.84
  4. Step 4: Simplify right side
    8,568.96x = 59,495,671.07
  5. Step 5: Solve for x
    x = 59,495,671.07/8,568.96
  6. Step 6: Final answer
    x = 6,943.16

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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.