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Finding the Fourth Proportional to 66,307.74, 91,506.74 and 36,095.10

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Solution

The fourth proportional to 66,307.74, 91,506.74 and 36,095.10 is: 49,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307.74 : 91,506.74 = 36,095.10 : x
  2. Step 2: Convert to fraction form
    66,307.74/91,506.74 = 36,095.10/x
  3. Step 3: Cross multiply
    66,307.74x = 91,506.74 × 36,095.10
  4. Step 4: Simplify right side
    66,307.74x = 3,302,944,750.50
  5. Step 5: Solve for x
    x = 3,302,944,750.50/66,307.74
  6. Step 6: Final answer
    x = 49,812.36

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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.