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Finding the Fourth Proportional to 7,899.30, 10,901.09 and 4,314.17

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Solution

The fourth proportional to 7,899.30, 10,901.09 and 4,314.17 is: 5,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.30 : 10,901.09 = 4,314.17 : x
  2. Step 2: Convert to fraction form
    7,899.30/10,901.09 = 4,314.17/x
  3. Step 3: Cross multiply
    7,899.30x = 10,901.09 × 4,314.17
  4. Step 4: Simplify right side
    7,899.30x = 47,029,079.37
  5. Step 5: Solve for x
    x = 47,029,079.37/7,899.30
  6. Step 6: Final answer
    x = 5,953.58

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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.