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Finding the Fourth Proportional to 65,566.32, 90,483.78 and 41,692.47

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Solution

The fourth proportional to 65,566.32, 90,483.78 and 41,692.47 is: 57,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.32 : 90,483.78 = 41,692.47 : x
  2. Step 2: Convert to fraction form
    65,566.32/90,483.78 = 41,692.47/x
  3. Step 3: Cross multiply
    65,566.32x = 90,483.78 × 41,692.47
  4. Step 4: Simplify right side
    65,566.32x = 3,772,492,283.14
  5. Step 5: Solve for x
    x = 3,772,492,283.14/65,566.32
  6. Step 6: Final answer
    x = 57,537.04

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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.