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Finding the Fourth Proportional to 2,824.71, 4,237.31 and 975.08

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Solution

The fourth proportional to 2,824.71, 4,237.31 and 975.08 is: 1,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.71 : 4,237.31 = 975.08 : x
  2. Step 2: Convert to fraction form
    2,824.71/4,237.31 = 975.08/x
  3. Step 3: Cross multiply
    2,824.71x = 4,237.31 × 975.08
  4. Step 4: Simplify right side
    2,824.71x = 4,131,716.23
  5. Step 5: Solve for x
    x = 4,131,716.23/2,824.71
  6. Step 6: Final answer
    x = 1,462.70

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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.