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Finding the Fourth Proportional to 6,988.48, 10,482.72 and 1,723.48

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Solution

The fourth proportional to 6,988.48, 10,482.72 and 1,723.48 is: 2,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.48 : 10,482.72 = 1,723.48 : x
  2. Step 2: Convert to fraction form
    6,988.48/10,482.72 = 1,723.48/x
  3. Step 3: Cross multiply
    6,988.48x = 10,482.72 × 1,723.48
  4. Step 4: Simplify right side
    6,988.48x = 18,066,725.60
  5. Step 5: Solve for x
    x = 18,066,725.60/6,988.48
  6. Step 6: Final answer
    x = 2,585.22

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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.