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Finding the Fourth Proportional to 61,667.90, 92,485.64 and 26,599.76

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Solution

The fourth proportional to 61,667.90, 92,485.64 and 26,599.76 is: 39,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,667.90 : 92,485.64 = 26,599.76 : x
  2. Step 2: Convert to fraction form
    61,667.90/92,485.64 = 26,599.76/x
  3. Step 3: Cross multiply
    61,667.90x = 92,485.64 × 26,599.76
  4. Step 4: Simplify right side
    61,667.90x = 2,460,095,827.45
  5. Step 5: Solve for x
    x = 2,460,095,827.45/61,667.90
  6. Step 6: Final answer
    x = 39,892.65

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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.