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Finding the Fourth Proportional to 46,340, 63,948.84 and 25,118.72

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Solution

The fourth proportional to 46,340, 63,948.84 and 25,118.72 is: 34,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,340 : 63,948.84 = 25,118.72 : x
  2. Step 2: Convert to fraction form
    46,340/63,948.84 = 25,118.72/x
  3. Step 3: Cross multiply
    46,340x = 63,948.84 × 25,118.72
  4. Step 4: Simplify right side
    46,340x = 1,606,313,006.28
  5. Step 5: Solve for x
    x = 1,606,313,006.28/46,340
  6. Step 6: Final answer
    x = 34,663.64

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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.