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Finding the Fourth Proportional to 66,466.43, 99,718.47 and 27,051.83

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Solution

The fourth proportional to 66,466.43, 99,718.47 and 27,051.83 is: 40,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.43 : 99,718.47 = 27,051.83 : x
  2. Step 2: Convert to fraction form
    66,466.43/99,718.47 = 27,051.83/x
  3. Step 3: Cross multiply
    66,466.43x = 99,718.47 × 27,051.83
  4. Step 4: Simplify right side
    66,466.43x = 2,697,566,599.71
  5. Step 5: Solve for x
    x = 2,697,566,599.71/66,466.43
  6. Step 6: Final answer
    x = 40,585.40

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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.