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Finding the Fourth Proportional to 6,272.40, 9,407.46 and 1,888.94

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Solution

The fourth proportional to 6,272.40, 9,407.46 and 1,888.94 is: 2,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.40 : 9,407.46 = 1,888.94 : x
  2. Step 2: Convert to fraction form
    6,272.40/9,407.46 = 1,888.94/x
  3. Step 3: Cross multiply
    6,272.40x = 9,407.46 × 1,888.94
  4. Step 4: Simplify right side
    6,272.40x = 17,770,127.49
  5. Step 5: Solve for x
    x = 17,770,127.49/6,272.40
  6. Step 6: Final answer
    x = 2,833.07

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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.