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Finding the Fourth Proportional to 7,048.53, 10,572.80 and 2,431.53

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Solution

The fourth proportional to 7,048.53, 10,572.80 and 2,431.53 is: 3,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.53 : 10,572.80 = 2,431.53 : x
  2. Step 2: Convert to fraction form
    7,048.53/10,572.80 = 2,431.53/x
  3. Step 3: Cross multiply
    7,048.53x = 10,572.80 × 2,431.53
  4. Step 4: Simplify right side
    7,048.53x = 25,708,068.23
  5. Step 5: Solve for x
    x = 25,708,068.23/7,048.53
  6. Step 6: Final answer
    x = 3,647.30

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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.