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Finding the Fourth Proportional to 15,482.80, 23,207.64 and 7,153.12

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Solution

The fourth proportional to 15,482.80, 23,207.64 and 7,153.12 is: 10,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.80 : 23,207.64 = 7,153.12 : x
  2. Step 2: Convert to fraction form
    15,482.80/23,207.64 = 7,153.12/x
  3. Step 3: Cross multiply
    15,482.80x = 23,207.64 × 7,153.12
  4. Step 4: Simplify right side
    15,482.80x = 166,007,033.84
  5. Step 5: Solve for x
    x = 166,007,033.84/15,482.80
  6. Step 6: Final answer
    x = 10,722.03

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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.