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Finding the Fourth Proportional to 53,777.52, 80,606.52 and 40,587.12

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Solution

The fourth proportional to 53,777.52, 80,606.52 and 40,587.12 is: 60,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.52 : 80,606.52 = 40,587.12 : x
  2. Step 2: Convert to fraction form
    53,777.52/80,606.52 = 40,587.12/x
  3. Step 3: Cross multiply
    53,777.52x = 80,606.52 × 40,587.12
  4. Step 4: Simplify right side
    53,777.52x = 3,271,586,500.02
  5. Step 5: Solve for x
    x = 3,271,586,500.02/53,777.52
  6. Step 6: Final answer
    x = 60,835.58

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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.