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Finding the Fourth Proportional to 52,313.86, 72,266.70 and 47,589.94

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Solution

The fourth proportional to 52,313.86, 72,266.70 and 47,589.94 is: 65,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.86 : 72,266.70 = 47,589.94 : x
  2. Step 2: Convert to fraction form
    52,313.86/72,266.70 = 47,589.94/x
  3. Step 3: Cross multiply
    52,313.86x = 72,266.70 × 47,589.94
  4. Step 4: Simplify right side
    52,313.86x = 3,439,167,917.00
  5. Step 5: Solve for x
    x = 3,439,167,917.00/52,313.86
  6. Step 6: Final answer
    x = 65,741.05

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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.