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Finding the Fourth Proportional to 61,643.16, 92,464.74 and 39,466.98

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Solution

The fourth proportional to 61,643.16, 92,464.74 and 39,466.98 is: 59,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643.16 : 92,464.74 = 39,466.98 : x
  2. Step 2: Convert to fraction form
    61,643.16/92,464.74 = 39,466.98/x
  3. Step 3: Cross multiply
    61,643.16x = 92,464.74 × 39,466.98
  4. Step 4: Simplify right side
    61,643.16x = 3,649,304,044.29
  5. Step 5: Solve for x
    x = 3,649,304,044.29/61,643.16
  6. Step 6: Final answer
    x = 59,200.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.