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Finding the Fourth Proportional to 68,007.64, 93,751.62 and 47,526.11

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Solution

The fourth proportional to 68,007.64, 93,751.62 and 47,526.11 is: 65,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.64 : 93,751.62 = 47,526.11 : x
  2. Step 2: Convert to fraction form
    68,007.64/93,751.62 = 47,526.11/x
  3. Step 3: Cross multiply
    68,007.64x = 93,751.62 × 47,526.11
  4. Step 4: Simplify right side
    68,007.64x = 4,455,649,864.21
  5. Step 5: Solve for x
    x = 4,455,649,864.21/68,007.64
  6. Step 6: Final answer
    x = 65,516.91

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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.