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Finding the Fourth Proportional to 7,069.78, 9,764.25 and 6,124.01

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Solution

The fourth proportional to 7,069.78, 9,764.25 and 6,124.01 is: 8,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.78 : 9,764.25 = 6,124.01 : x
  2. Step 2: Convert to fraction form
    7,069.78/9,764.25 = 6,124.01/x
  3. Step 3: Cross multiply
    7,069.78x = 9,764.25 × 6,124.01
  4. Step 4: Simplify right side
    7,069.78x = 59,796,292.86
  5. Step 5: Solve for x
    x = 59,796,292.86/7,069.78
  6. Step 6: Final answer
    x = 8,458.01

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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.