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Finding the Fourth Proportional to 10,095.80, 13,932.08 and 5,904.05

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Solution

The fourth proportional to 10,095.80, 13,932.08 and 5,904.05 is: 8,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.80 : 13,932.08 = 5,904.05 : x
  2. Step 2: Convert to fraction form
    10,095.80/13,932.08 = 5,904.05/x
  3. Step 3: Cross multiply
    10,095.80x = 13,932.08 × 5,904.05
  4. Step 4: Simplify right side
    10,095.80x = 82,255,696.92
  5. Step 5: Solve for x
    x = 82,255,696.92/10,095.80
  6. Step 6: Final answer
    x = 8,147.52

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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.