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Finding the Fourth Proportional to 5,700.46, 7,864.47 and 3,461.49

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Solution

The fourth proportional to 5,700.46, 7,864.47 and 3,461.49 is: 4,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.46 : 7,864.47 = 3,461.49 : x
  2. Step 2: Convert to fraction form
    5,700.46/7,864.47 = 3,461.49/x
  3. Step 3: Cross multiply
    5,700.46x = 7,864.47 × 3,461.49
  4. Step 4: Simplify right side
    5,700.46x = 27,222,784.26
  5. Step 5: Solve for x
    x = 27,222,784.26/5,700.46
  6. Step 6: Final answer
    x = 4,775.54

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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.