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Finding the Fourth Proportional to 35,958.72, 53,962.06 and 12,585.14

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Solution

The fourth proportional to 35,958.72, 53,962.06 and 12,585.14 is: 18,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.72 : 53,962.06 = 12,585.14 : x
  2. Step 2: Convert to fraction form
    35,958.72/53,962.06 = 12,585.14/x
  3. Step 3: Cross multiply
    35,958.72x = 53,962.06 × 12,585.14
  4. Step 4: Simplify right side
    35,958.72x = 679,120,079.79
  5. Step 5: Solve for x
    x = 679,120,079.79/35,958.72
  6. Step 6: Final answer
    x = 18,886.10

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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.