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Finding the Fourth Proportional to 61,998.60, 93,009.86 and 26,459.40

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Solution

The fourth proportional to 61,998.60, 93,009.86 and 26,459.40 is: 39,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.60 : 93,009.86 = 26,459.40 : x
  2. Step 2: Convert to fraction form
    61,998.60/93,009.86 = 26,459.40/x
  3. Step 3: Cross multiply
    61,998.60x = 93,009.86 × 26,459.40
  4. Step 4: Simplify right side
    61,998.60x = 2,460,984,690.78
  5. Step 5: Solve for x
    x = 2,460,984,690.78/61,998.60
  6. Step 6: Final answer
    x = 39,694.20

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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.