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Finding the Fourth Proportional to 84,335.30, 126,502.95 and 22,005.80

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Solution

The fourth proportional to 84,335.30, 126,502.95 and 22,005.80 is: 33,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,335.30 : 126,502.95 = 22,005.80 : x
  2. Step 2: Convert to fraction form
    84,335.30/126,502.95 = 22,005.80/x
  3. Step 3: Cross multiply
    84,335.30x = 126,502.95 × 22,005.80
  4. Step 4: Simplify right side
    84,335.30x = 2,783,798,617.11
  5. Step 5: Solve for x
    x = 2,783,798,617.11/84,335.30
  6. Step 6: Final answer
    x = 33,008.70

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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.