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Finding the Fourth Proportional to 7,456.01, 10,289.03 and 4,470.08

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Solution

The fourth proportional to 7,456.01, 10,289.03 and 4,470.08 is: 6,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.01 : 10,289.03 = 4,470.08 : x
  2. Step 2: Convert to fraction form
    7,456.01/10,289.03 = 4,470.08/x
  3. Step 3: Cross multiply
    7,456.01x = 10,289.03 × 4,470.08
  4. Step 4: Simplify right side
    7,456.01x = 45,992,713.43
  5. Step 5: Solve for x
    x = 45,992,713.43/7,456.01
  6. Step 6: Final answer
    x = 6,168.55

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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.