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Finding the Fourth Proportional to 5,066.28, 7,018.65 and 4,945.32

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Solution

The fourth proportional to 5,066.28, 7,018.65 and 4,945.32 is: 6,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.28 : 7,018.65 = 4,945.32 : x
  2. Step 2: Convert to fraction form
    5,066.28/7,018.65 = 4,945.32/x
  3. Step 3: Cross multiply
    5,066.28x = 7,018.65 × 4,945.32
  4. Step 4: Simplify right side
    5,066.28x = 34,709,470.22
  5. Step 5: Solve for x
    x = 34,709,470.22/5,066.28
  6. Step 6: Final answer
    x = 6,851.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.