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Finding the Fourth Proportional to 6,628.86, 9,935.16 and 4,643.52

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Solution

The fourth proportional to 6,628.86, 9,935.16 and 4,643.52 is: 6,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.86 : 9,935.16 = 4,643.52 : x
  2. Step 2: Convert to fraction form
    6,628.86/9,935.16 = 4,643.52/x
  3. Step 3: Cross multiply
    6,628.86x = 9,935.16 × 4,643.52
  4. Step 4: Simplify right side
    6,628.86x = 46,134,114.16
  5. Step 5: Solve for x
    x = 46,134,114.16/6,628.86
  6. Step 6: Final answer
    x = 6,959.58

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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.