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Finding the Fourth Proportional to 84,602.80, 126,846.60 and 32,004.40

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Solution

The fourth proportional to 84,602.80, 126,846.60 and 32,004.40 is: 47,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.80 : 126,846.60 = 32,004.40 : x
  2. Step 2: Convert to fraction form
    84,602.80/126,846.60 = 32,004.40/x
  3. Step 3: Cross multiply
    84,602.80x = 126,846.60 × 32,004.40
  4. Step 4: Simplify right side
    84,602.80x = 4,059,649,325.04
  5. Step 5: Solve for x
    x = 4,059,649,325.04/84,602.80
  6. Step 6: Final answer
    x = 47,984.81

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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.