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Finding the Fourth Proportional to 46,689.88, 64,430.06 and 25,467.88

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Solution

The fourth proportional to 46,689.88, 64,430.06 and 25,467.88 is: 35,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,689.88 : 64,430.06 = 25,467.88 : x
  2. Step 2: Convert to fraction form
    46,689.88/64,430.06 = 25,467.88/x
  3. Step 3: Cross multiply
    46,689.88x = 64,430.06 × 25,467.88
  4. Step 4: Simplify right side
    46,689.88x = 1,640,897,036.47
  5. Step 5: Solve for x
    x = 1,640,897,036.47/46,689.88
  6. Step 6: Final answer
    x = 35,144.60

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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.