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Finding the Fourth Proportional to 29,696.65, 44,547.91 and 8,636.87

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Solution

The fourth proportional to 29,696.65, 44,547.91 and 8,636.87 is: 12,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.65 : 44,547.91 = 8,636.87 : x
  2. Step 2: Convert to fraction form
    29,696.65/44,547.91 = 8,636.87/x
  3. Step 3: Cross multiply
    29,696.65x = 44,547.91 × 8,636.87
  4. Step 4: Simplify right side
    29,696.65x = 384,754,597.22
  5. Step 5: Solve for x
    x = 384,754,597.22/29,696.65
  6. Step 6: Final answer
    x = 12,956.16

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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.