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Finding the Fourth Proportional to 3,355.74, 4,631.04 and 1,864.08

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Solution

The fourth proportional to 3,355.74, 4,631.04 and 1,864.08 is: 2,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.74 : 4,631.04 = 1,864.08 : x
  2. Step 2: Convert to fraction form
    3,355.74/4,631.04 = 1,864.08/x
  3. Step 3: Cross multiply
    3,355.74x = 4,631.04 × 1,864.08
  4. Step 4: Simplify right side
    3,355.74x = 8,632,629.04
  5. Step 5: Solve for x
    x = 8,632,629.04/3,355.74
  6. Step 6: Final answer
    x = 2,572.50

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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.