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Finding the Fourth Proportional to 69,522.68, 95,890.32 and 45,640.64

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Solution

The fourth proportional to 69,522.68, 95,890.32 and 45,640.64 is: 62,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.68 : 95,890.32 = 45,640.64 : x
  2. Step 2: Convert to fraction form
    69,522.68/95,890.32 = 45,640.64/x
  3. Step 3: Cross multiply
    69,522.68x = 95,890.32 × 45,640.64
  4. Step 4: Simplify right side
    69,522.68x = 4,376,495,574.60
  5. Step 5: Solve for x
    x = 4,376,495,574.60/69,522.68
  6. Step 6: Final answer
    x = 62,950.62

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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.