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Finding the Fourth Proportional to 7,268.05, 10,032.95 and 4,913.38

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Solution

The fourth proportional to 7,268.05, 10,032.95 and 4,913.38 is: 6,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.05 : 10,032.95 = 4,913.38 : x
  2. Step 2: Convert to fraction form
    7,268.05/10,032.95 = 4,913.38/x
  3. Step 3: Cross multiply
    7,268.05x = 10,032.95 × 4,913.38
  4. Step 4: Simplify right side
    7,268.05x = 49,295,695.87
  5. Step 5: Solve for x
    x = 49,295,695.87/7,268.05
  6. Step 6: Final answer
    x = 6,782.52

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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.