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Finding the Fourth Proportional to 60,814.30, 91,027.05 and 43,318.30

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Solution

The fourth proportional to 60,814.30, 91,027.05 and 43,318.30 is: 64,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,814.30 : 91,027.05 = 43,318.30 : x
  2. Step 2: Convert to fraction form
    60,814.30/91,027.05 = 43,318.30/x
  3. Step 3: Cross multiply
    60,814.30x = 91,027.05 × 43,318.30
  4. Step 4: Simplify right side
    60,814.30x = 3,943,137,060.02
  5. Step 5: Solve for x
    x = 3,943,137,060.02/60,814.30
  6. Step 6: Final answer
    x = 64,838.98

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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.