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Finding the Fourth Proportional to 29,136.61, 43,695.65 and 9,410.48

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Solution

The fourth proportional to 29,136.61, 43,695.65 and 9,410.48 is: 14,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.61 : 43,695.65 = 9,410.48 : x
  2. Step 2: Convert to fraction form
    29,136.61/43,695.65 = 9,410.48/x
  3. Step 3: Cross multiply
    29,136.61x = 43,695.65 × 9,410.48
  4. Step 4: Simplify right side
    29,136.61x = 411,197,009.32
  5. Step 5: Solve for x
    x = 411,197,009.32/29,136.61
  6. Step 6: Final answer
    x = 14,112.73

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1.5x scale

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.