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Finding the Fourth Proportional to 4,332.79, 5,976.76 and 3,004.21

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Solution

The fourth proportional to 4,332.79, 5,976.76 and 3,004.21 is: 4,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.79 : 5,976.76 = 3,004.21 : x
  2. Step 2: Convert to fraction form
    4,332.79/5,976.76 = 3,004.21/x
  3. Step 3: Cross multiply
    4,332.79x = 5,976.76 × 3,004.21
  4. Step 4: Simplify right side
    4,332.79x = 17,955,442.16
  5. Step 5: Solve for x
    x = 17,955,442.16/4,332.79
  6. Step 6: Final answer
    x = 4,144.08

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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.