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Finding the Fourth Proportional to 46,862.76, 64,672 and 25,643.46

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Solution

The fourth proportional to 46,862.76, 64,672 and 25,643.46 is: 35,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,862.76 : 64,672 = 25,643.46 : x
  2. Step 2: Convert to fraction form
    46,862.76/64,672 = 25,643.46/x
  3. Step 3: Cross multiply
    46,862.76x = 64,672 × 25,643.46
  4. Step 4: Simplify right side
    46,862.76x = 1,658,413,845.12
  5. Step 5: Solve for x
    x = 1,658,413,845.12/46,862.76
  6. Step 6: Final answer
    x = 35,388.74

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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.