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Finding the Fourth Proportional to 3,248.95, 4,483.53 and 1,922.64

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Solution

The fourth proportional to 3,248.95, 4,483.53 and 1,922.64 is: 2,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.95 : 4,483.53 = 1,922.64 : x
  2. Step 2: Convert to fraction form
    3,248.95/4,483.53 = 1,922.64/x
  3. Step 3: Cross multiply
    3,248.95x = 4,483.53 × 1,922.64
  4. Step 4: Simplify right side
    3,248.95x = 8,620,214.12
  5. Step 5: Solve for x
    x = 8,620,214.12/3,248.95
  6. Step 6: Final answer
    x = 2,653.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.