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Finding the Fourth Proportional to 46,692.78, 64,433.79 and 25,470.78

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Solution

The fourth proportional to 46,692.78, 64,433.79 and 25,470.78 is: 35,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,692.78 : 64,433.79 = 25,470.78 : x
  2. Step 2: Convert to fraction form
    46,692.78/64,433.79 = 25,470.78/x
  3. Step 3: Cross multiply
    46,692.78x = 64,433.79 × 25,470.78
  4. Step 4: Simplify right side
    46,692.78x = 1,641,178,889.66
  5. Step 5: Solve for x
    x = 1,641,178,889.66/46,692.78
  6. Step 6: Final answer
    x = 35,148.45

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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.