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Finding the Fourth Proportional to 57,285.50, 79,054.53 and 32,135.54

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Solution

The fourth proportional to 57,285.50, 79,054.53 and 32,135.54 is: 44,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,285.50 : 79,054.53 = 32,135.54 : x
  2. Step 2: Convert to fraction form
    57,285.50/79,054.53 = 32,135.54/x
  3. Step 3: Cross multiply
    57,285.50x = 79,054.53 × 32,135.54
  4. Step 4: Simplify right side
    57,285.50x = 2,540,460,011.00
  5. Step 5: Solve for x
    x = 2,540,460,011.00/57,285.50
  6. Step 6: Final answer
    x = 44,347.35

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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.