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Finding the Fourth Proportional to 7,152.58, 10,728.42 and 2,471.48

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Solution

The fourth proportional to 7,152.58, 10,728.42 and 2,471.48 is: 3,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.58 : 10,728.42 = 2,471.48 : x
  2. Step 2: Convert to fraction form
    7,152.58/10,728.42 = 2,471.48/x
  3. Step 3: Cross multiply
    7,152.58x = 10,728.42 × 2,471.48
  4. Step 4: Simplify right side
    7,152.58x = 26,515,075.46
  5. Step 5: Solve for x
    x = 26,515,075.46/7,152.58
  6. Step 6: Final answer
    x = 3,707.06

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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.