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Finding the Fourth Proportional to 52,777.76, 72,832.73 and 28,903.01

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Solution

The fourth proportional to 52,777.76, 72,832.73 and 28,903.01 is: 39,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.76 : 72,832.73 = 28,903.01 : x
  2. Step 2: Convert to fraction form
    52,777.76/72,832.73 = 28,903.01/x
  3. Step 3: Cross multiply
    52,777.76x = 72,832.73 × 28,903.01
  4. Step 4: Simplify right side
    52,777.76x = 2,105,084,614.84
  5. Step 5: Solve for x
    x = 2,105,084,614.84/52,777.76
  6. Step 6: Final answer
    x = 39,885.83

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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.