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Finding the Fourth Proportional to 7,095.78, 10,643.67 and 1,901.25

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Solution

The fourth proportional to 7,095.78, 10,643.67 and 1,901.25 is: 2,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,095.78 : 10,643.67 = 1,901.25 : x
  2. Step 2: Convert to fraction form
    7,095.78/10,643.67 = 1,901.25/x
  3. Step 3: Cross multiply
    7,095.78x = 10,643.67 × 1,901.25
  4. Step 4: Simplify right side
    7,095.78x = 20,236,277.59
  5. Step 5: Solve for x
    x = 20,236,277.59/7,095.78
  6. Step 6: Final answer
    x = 2,851.88

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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.