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Finding the Fourth Proportional to 92,814.91, 128,084.49 and 52,527.94

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Solution

The fourth proportional to 92,814.91, 128,084.49 and 52,527.94 is: 72,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.91 : 128,084.49 = 52,527.94 : x
  2. Step 2: Convert to fraction form
    92,814.91/128,084.49 = 52,527.94/x
  3. Step 3: Cross multiply
    92,814.91x = 128,084.49 × 52,527.94
  4. Step 4: Simplify right side
    92,814.91x = 6,728,014,085.44
  5. Step 5: Solve for x
    x = 6,728,014,085.44/92,814.91
  6. Step 6: Final answer
    x = 72,488.51

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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.