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Finding the Fourth Proportional to 61,665.90, 92,482.64 and 26,597.76

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Solution

The fourth proportional to 61,665.90, 92,482.64 and 26,597.76 is: 39,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.90 : 92,482.64 = 26,597.76 : x
  2. Step 2: Convert to fraction form
    61,665.90/92,482.64 = 26,597.76/x
  3. Step 3: Cross multiply
    61,665.90x = 92,482.64 × 26,597.76
  4. Step 4: Simplify right side
    61,665.90x = 2,459,830,832.44
  5. Step 5: Solve for x
    x = 2,459,830,832.44/61,665.90
  6. Step 6: Final answer
    x = 39,889.65

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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.