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Finding the Fourth Proportional to 60,803.51, 90,593.70 and 57,408.19

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Solution

The fourth proportional to 60,803.51, 90,593.70 and 57,408.19 is: 85,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.51 : 90,593.70 = 57,408.19 : x
  2. Step 2: Convert to fraction form
    60,803.51/90,593.70 = 57,408.19/x
  3. Step 3: Cross multiply
    60,803.51x = 90,593.70 × 57,408.19
  4. Step 4: Simplify right side
    60,803.51x = 5,200,820,485.92
  5. Step 5: Solve for x
    x = 5,200,820,485.92/60,803.51
  6. Step 6: Final answer
    x = 85,534.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.