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Finding the Fourth Proportional to 3,592.68, 5,394.48 and 2,980.32

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Solution

The fourth proportional to 3,592.68, 5,394.48 and 2,980.32 is: 4,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.68 : 5,394.48 = 2,980.32 : x
  2. Step 2: Convert to fraction form
    3,592.68/5,394.48 = 2,980.32/x
  3. Step 3: Cross multiply
    3,592.68x = 5,394.48 × 2,980.32
  4. Step 4: Simplify right side
    3,592.68x = 16,077,276.63
  5. Step 5: Solve for x
    x = 16,077,276.63/3,592.68
  6. Step 6: Final answer
    x = 4,475.01

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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.