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Finding the Fourth Proportional to 4,831.38, 7,247.00 and 1,368.63

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Solution

The fourth proportional to 4,831.38, 7,247.00 and 1,368.63 is: 2,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.38 : 7,247.00 = 1,368.63 : x
  2. Step 2: Convert to fraction form
    4,831.38/7,247.00 = 1,368.63/x
  3. Step 3: Cross multiply
    4,831.38x = 7,247.00 × 1,368.63
  4. Step 4: Simplify right side
    4,831.38x = 9,918,465.03
  5. Step 5: Solve for x
    x = 9,918,465.03/4,831.38
  6. Step 6: Final answer
    x = 2,052.93

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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.