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Finding the Fourth Proportional to 79,962.99, 119,985.99 and 32,612.82

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Solution

The fourth proportional to 79,962.99, 119,985.99 and 32,612.82 is: 48,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,962.99 : 119,985.99 = 32,612.82 : x
  2. Step 2: Convert to fraction form
    79,962.99/119,985.99 = 32,612.82/x
  3. Step 3: Cross multiply
    79,962.99x = 119,985.99 × 32,612.82
  4. Step 4: Simplify right side
    79,962.99x = 3,913,081,494.39
  5. Step 5: Solve for x
    x = 3,913,081,494.39/79,962.99
  6. Step 6: Final answer
    x = 48,936.16

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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.