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Finding the Fourth Proportional to 46,611.72, 64,324.02 and 25,390.92

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Solution

The fourth proportional to 46,611.72, 64,324.02 and 25,390.92 is: 35,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,611.72 : 64,324.02 = 25,390.92 : x
  2. Step 2: Convert to fraction form
    46,611.72/64,324.02 = 25,390.92/x
  3. Step 3: Cross multiply
    46,611.72x = 64,324.02 × 25,390.92
  4. Step 4: Simplify right side
    46,611.72x = 1,633,246,045.90
  5. Step 5: Solve for x
    x = 1,633,246,045.90/46,611.72
  6. Step 6: Final answer
    x = 35,039.39

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Double 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.