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Finding the Fourth Proportional to 5,007.36, 7,549.05 and 4,739.52

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Solution

The fourth proportional to 5,007.36, 7,549.05 and 4,739.52 is: 7,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.36 : 7,549.05 = 4,739.52 : x
  2. Step 2: Convert to fraction form
    5,007.36/7,549.05 = 4,739.52/x
  3. Step 3: Cross multiply
    5,007.36x = 7,549.05 × 4,739.52
  4. Step 4: Simplify right side
    5,007.36x = 35,778,873.46
  5. Step 5: Solve for x
    x = 35,778,873.46/5,007.36
  6. Step 6: Final answer
    x = 7,145.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.