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Finding the Fourth Proportional to 46,650, 64,376.82 and 25,429.20

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Solution

The fourth proportional to 46,650, 64,376.82 and 25,429.20 is: 35,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,650 : 64,376.82 = 25,429.20 : x
  2. Step 2: Convert to fraction form
    46,650/64,376.82 = 25,429.20/x
  3. Step 3: Cross multiply
    46,650x = 64,376.82 × 25,429.20
  4. Step 4: Simplify right side
    46,650x = 1,637,051,031.14
  5. Step 5: Solve for x
    x = 1,637,051,031.14/46,650
  6. Step 6: Final answer
    x = 35,092.20

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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.