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Finding the Fourth Proportional to 60,136.84, 83,005.52 and 34,991.20

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Solution

The fourth proportional to 60,136.84, 83,005.52 and 34,991.20 is: 48,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.84 : 83,005.52 = 34,991.20 : x
  2. Step 2: Convert to fraction form
    60,136.84/83,005.52 = 34,991.20/x
  3. Step 3: Cross multiply
    60,136.84x = 83,005.52 × 34,991.20
  4. Step 4: Simplify right side
    60,136.84x = 2,904,462,751.42
  5. Step 5: Solve for x
    x = 2,904,462,751.42/60,136.84
  6. Step 6: Final answer
    x = 48,297.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.