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Finding the Fourth Proportional to 10,904.04, 15,048.96 and 6,188.28

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Solution

The fourth proportional to 10,904.04, 15,048.96 and 6,188.28 is: 8,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.04 : 15,048.96 = 6,188.28 : x
  2. Step 2: Convert to fraction form
    10,904.04/15,048.96 = 6,188.28/x
  3. Step 3: Cross multiply
    10,904.04x = 15,048.96 × 6,188.28
  4. Step 4: Simplify right side
    10,904.04x = 93,127,178.19
  5. Step 5: Solve for x
    x = 93,127,178.19/10,904.04
  6. Step 6: Final answer
    x = 8,540.61

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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.