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Finding the Fourth Proportional to 7,048.03, 10,571.20 and 1,854.31

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Solution

The fourth proportional to 7,048.03, 10,571.20 and 1,854.31 is: 2,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.03 : 10,571.20 = 1,854.31 : x
  2. Step 2: Convert to fraction form
    7,048.03/10,571.20 = 1,854.31/x
  3. Step 3: Cross multiply
    7,048.03x = 10,571.20 × 1,854.31
  4. Step 4: Simplify right side
    7,048.03x = 19,602,281.87
  5. Step 5: Solve for x
    x = 19,602,281.87/7,048.03
  6. Step 6: Final answer
    x = 2,781.24

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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.