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Finding the Fourth Proportional to 46,901.88, 64,724.78 and 25,681.48

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Solution

The fourth proportional to 46,901.88, 64,724.78 and 25,681.48 is: 35,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,901.88 : 64,724.78 = 25,681.48 : x
  2. Step 2: Convert to fraction form
    46,901.88/64,724.78 = 25,681.48/x
  3. Step 3: Cross multiply
    46,901.88x = 64,724.78 × 25,681.48
  4. Step 4: Simplify right side
    46,901.88x = 1,662,228,143.07
  5. Step 5: Solve for x
    x = 1,662,228,143.07/46,901.88
  6. Step 6: Final answer
    x = 35,440.54

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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.