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Finding the Fourth Proportional to 57,388.70, 79,203.80 and 32,243.06

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Solution

The fourth proportional to 57,388.70, 79,203.80 and 32,243.06 is: 44,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.70 : 79,203.80 = 32,243.06 : x
  2. Step 2: Convert to fraction form
    57,388.70/79,203.80 = 32,243.06/x
  3. Step 3: Cross multiply
    57,388.70x = 79,203.80 × 32,243.06
  4. Step 4: Simplify right side
    57,388.70x = 2,553,772,875.63
  5. Step 5: Solve for x
    x = 2,553,772,875.63/57,388.70
  6. Step 6: Final answer
    x = 44,499.58

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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.