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Finding the Fourth Proportional to 7,029.09, 10,543.64 and 4,831.16

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Solution

The fourth proportional to 7,029.09, 10,543.64 and 4,831.16 is: 7,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.09 : 10,543.64 = 4,831.16 : x
  2. Step 2: Convert to fraction form
    7,029.09/10,543.64 = 4,831.16/x
  3. Step 3: Cross multiply
    7,029.09x = 10,543.64 × 4,831.16
  4. Step 4: Simplify right side
    7,029.09x = 50,937,934.95
  5. Step 5: Solve for x
    x = 50,937,934.95/7,029.09
  6. Step 6: Final answer
    x = 7,246.73

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Similar ratio
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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.