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Finding the Fourth Proportional to 7,269.68, 10,904.32 and 4,328.47

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Solution

The fourth proportional to 7,269.68, 10,904.32 and 4,328.47 is: 6,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.68 : 10,904.32 = 4,328.47 : x
  2. Step 2: Convert to fraction form
    7,269.68/10,904.32 = 4,328.47/x
  3. Step 3: Cross multiply
    7,269.68x = 10,904.32 × 4,328.47
  4. Step 4: Simplify right side
    7,269.68x = 47,199,041.03
  5. Step 5: Solve for x
    x = 47,199,041.03/7,269.68
  6. Step 6: Final answer
    x = 6,492.59

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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.