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Finding the Fourth Proportional to 7,260.76, 10,023.78 and 4,907.08

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Solution

The fourth proportional to 7,260.76, 10,023.78 and 4,907.08 is: 6,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.76 : 10,023.78 = 4,907.08 : x
  2. Step 2: Convert to fraction form
    7,260.76/10,023.78 = 4,907.08/x
  3. Step 3: Cross multiply
    7,260.76x = 10,023.78 × 4,907.08
  4. Step 4: Simplify right side
    7,260.76x = 49,187,490.36
  5. Step 5: Solve for x
    x = 49,187,490.36/7,260.76
  6. Step 6: Final answer
    x = 6,774.43

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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.