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Finding the Fourth Proportional to 65,423.95, 98,068.60 and 26,008.99

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Solution

The fourth proportional to 65,423.95, 98,068.60 and 26,008.99 is: 38,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423.95 : 98,068.60 = 26,008.99 : x
  2. Step 2: Convert to fraction form
    65,423.95/98,068.60 = 26,008.99/x
  3. Step 3: Cross multiply
    65,423.95x = 98,068.60 × 26,008.99
  4. Step 4: Simplify right side
    65,423.95x = 2,550,665,236.71
  5. Step 5: Solve for x
    x = 2,550,665,236.71/65,423.95
  6. Step 6: Final answer
    x = 38,986.72

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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.