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Finding the Fourth Proportional to 68,587.32, 102,904.02 and 27,011.64

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Solution

The fourth proportional to 68,587.32, 102,904.02 and 27,011.64 is: 40,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.32 : 102,904.02 = 27,011.64 : x
  2. Step 2: Convert to fraction form
    68,587.32/102,904.02 = 27,011.64/x
  3. Step 3: Cross multiply
    68,587.32x = 102,904.02 × 27,011.64
  4. Step 4: Simplify right side
    68,587.32x = 2,779,606,342.79
  5. Step 5: Solve for x
    x = 2,779,606,342.79/68,587.32
  6. Step 6: Final answer
    x = 40,526.53

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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.