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Finding the Fourth Proportional to 46,686.88, 64,425.92 and 25,464.88

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Solution

The fourth proportional to 46,686.88, 64,425.92 and 25,464.88 is: 35,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,686.88 : 64,425.92 = 25,464.88 : x
  2. Step 2: Convert to fraction form
    46,686.88/64,425.92 = 25,464.88/x
  3. Step 3: Cross multiply
    46,686.88x = 64,425.92 × 25,464.88
  4. Step 4: Simplify right side
    46,686.88x = 1,640,598,321.69
  5. Step 5: Solve for x
    x = 1,640,598,321.69/46,686.88
  6. Step 6: Final answer
    x = 35,140.46

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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.