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Finding the Fourth Proportional to 7,009.71, 9,670.37 and 4,024.86

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Solution

The fourth proportional to 7,009.71, 9,670.37 and 4,024.86 is: 5,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.71 : 9,670.37 = 4,024.86 : x
  2. Step 2: Convert to fraction form
    7,009.71/9,670.37 = 4,024.86/x
  3. Step 3: Cross multiply
    7,009.71x = 9,670.37 × 4,024.86
  4. Step 4: Simplify right side
    7,009.71x = 38,921,865.27
  5. Step 5: Solve for x
    x = 38,921,865.27/7,009.71
  6. Step 6: Final answer
    x = 5,552.56

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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.