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Finding the Fourth Proportional to 15,592.80, 23,330.16 and 8,672.16

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Solution

The fourth proportional to 15,592.80, 23,330.16 and 8,672.16 is: 12,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.80 : 23,330.16 = 8,672.16 : x
  2. Step 2: Convert to fraction form
    15,592.80/23,330.16 = 8,672.16/x
  3. Step 3: Cross multiply
    15,592.80x = 23,330.16 × 8,672.16
  4. Step 4: Simplify right side
    15,592.80x = 202,322,880.35
  5. Step 5: Solve for x
    x = 202,322,880.35/15,592.80
  6. Step 6: Final answer
    x = 12,975.40

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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.