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Finding the Fourth Proportional to 9,643.68, 14,465.52 and 3,071.88

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Solution

The fourth proportional to 9,643.68, 14,465.52 and 3,071.88 is: 4,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.68 : 14,465.52 = 3,071.88 : x
  2. Step 2: Convert to fraction form
    9,643.68/14,465.52 = 3,071.88/x
  3. Step 3: Cross multiply
    9,643.68x = 14,465.52 × 3,071.88
  4. Step 4: Simplify right side
    9,643.68x = 44,436,341.58
  5. Step 5: Solve for x
    x = 44,436,341.58/9,643.68
  6. Step 6: Final answer
    x = 4,607.82

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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.