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Finding the Fourth Proportional to 34,860.42, 52,298.06 and 9,908.10

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Solution

The fourth proportional to 34,860.42, 52,298.06 and 9,908.10 is: 14,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.42 : 52,298.06 = 9,908.10 : x
  2. Step 2: Convert to fraction form
    34,860.42/52,298.06 = 9,908.10/x
  3. Step 3: Cross multiply
    34,860.42x = 52,298.06 × 9,908.10
  4. Step 4: Simplify right side
    34,860.42x = 518,174,358.75
  5. Step 5: Solve for x
    x = 518,174,358.75/34,860.42
  6. Step 6: Final answer
    x = 14,864.26

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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.