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Finding the Fourth Proportional to 25,482.60, 35,170.16 and 14,872.20

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Solution

The fourth proportional to 25,482.60, 35,170.16 and 14,872.20 is: 20,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,482.60 : 35,170.16 = 14,872.20 : x
  2. Step 2: Convert to fraction form
    25,482.60/35,170.16 = 14,872.20/x
  3. Step 3: Cross multiply
    25,482.60x = 35,170.16 × 14,872.20
  4. Step 4: Simplify right side
    25,482.60x = 523,057,653.55
  5. Step 5: Solve for x
    x = 523,057,653.55/25,482.60
  6. Step 6: Final answer
    x = 20,526.07

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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.