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Finding the Fourth Proportional to 23,931.91, 35,886.93 and 8,345.89

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Solution

The fourth proportional to 23,931.91, 35,886.93 and 8,345.89 is: 12,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.91 : 35,886.93 = 8,345.89 : x
  2. Step 2: Convert to fraction form
    23,931.91/35,886.93 = 8,345.89/x
  3. Step 3: Cross multiply
    23,931.91x = 35,886.93 × 8,345.89
  4. Step 4: Simplify right side
    23,931.91x = 299,508,370.22
  5. Step 5: Solve for x
    x = 299,508,370.22/23,931.91
  6. Step 6: Final answer
    x = 12,515.02

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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.