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Finding the Fourth Proportional to 10,503.27, 15,756.93 and 4,659.93

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Solution

The fourth proportional to 10,503.27, 15,756.93 and 4,659.93 is: 6,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.27 : 15,756.93 = 4,659.93 : x
  2. Step 2: Convert to fraction form
    10,503.27/15,756.93 = 4,659.93/x
  3. Step 3: Cross multiply
    10,503.27x = 15,756.93 × 4,659.93
  4. Step 4: Simplify right side
    10,503.27x = 73,426,190.81
  5. Step 5: Solve for x
    x = 73,426,190.81/10,503.27
  6. Step 6: Final answer
    x = 6,990.79

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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.