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Finding the Fourth Proportional to 35,479.35, 53,221.05 and 9,184.05

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Solution

The fourth proportional to 35,479.35, 53,221.05 and 9,184.05 is: 13,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.35 : 53,221.05 = 9,184.05 : x
  2. Step 2: Convert to fraction form
    35,479.35/53,221.05 = 9,184.05/x
  3. Step 3: Cross multiply
    35,479.35x = 53,221.05 × 9,184.05
  4. Step 4: Simplify right side
    35,479.35x = 488,784,784.25
  5. Step 5: Solve for x
    x = 488,784,784.25/35,479.35
  6. Step 6: Final answer
    x = 13,776.60

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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.