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Finding the Fourth Proportional to 8,952.74, 13,429.78 and 2,378.78

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Solution

The fourth proportional to 8,952.74, 13,429.78 and 2,378.78 is: 3,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.74 : 13,429.78 = 2,378.78 : x
  2. Step 2: Convert to fraction form
    8,952.74/13,429.78 = 2,378.78/x
  3. Step 3: Cross multiply
    8,952.74x = 13,429.78 × 2,378.78
  4. Step 4: Simplify right side
    8,952.74x = 31,946,492.07
  5. Step 5: Solve for x
    x = 31,946,492.07/8,952.74
  6. Step 6: Final answer
    x = 3,568.35

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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.