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Finding the Fourth Proportional to 69,626.93, 96,085.08 and 39,411.72

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Solution

The fourth proportional to 69,626.93, 96,085.08 and 39,411.72 is: 54,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,626.93 : 96,085.08 = 39,411.72 : x
  2. Step 2: Convert to fraction form
    69,626.93/96,085.08 = 39,411.72/x
  3. Step 3: Cross multiply
    69,626.93x = 96,085.08 × 39,411.72
  4. Step 4: Simplify right side
    69,626.93x = 3,786,878,269.14
  5. Step 5: Solve for x
    x = 3,786,878,269.14/69,626.93
  6. Step 6: Final answer
    x = 54,388.13

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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.