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Finding the Fourth Proportional to 3,244.14, 4,865.76 and 904.32

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Solution

The fourth proportional to 3,244.14, 4,865.76 and 904.32 is: 1,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.14 : 4,865.76 = 904.32 : x
  2. Step 2: Convert to fraction form
    3,244.14/4,865.76 = 904.32/x
  3. Step 3: Cross multiply
    3,244.14x = 4,865.76 × 904.32
  4. Step 4: Simplify right side
    3,244.14x = 4,400,204.08
  5. Step 5: Solve for x
    x = 4,400,204.08/3,244.14
  6. Step 6: Final answer
    x = 1,356.35

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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.