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Finding the Fourth Proportional to 69,684.51, 96,204.51 and 45,880.38

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Solution

The fourth proportional to 69,684.51, 96,204.51 and 45,880.38 is: 63,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,684.51 : 96,204.51 = 45,880.38 : x
  2. Step 2: Convert to fraction form
    69,684.51/96,204.51 = 45,880.38/x
  3. Step 3: Cross multiply
    69,684.51x = 96,204.51 × 45,880.38
  4. Step 4: Simplify right side
    69,684.51x = 4,413,899,476.51
  5. Step 5: Solve for x
    x = 4,413,899,476.51/69,684.51
  6. Step 6: Final answer
    x = 63,341.19

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Half scale
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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.