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Finding the Fourth Proportional to 65,846.78, 98,784.81 and 25,869.63

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Solution

The fourth proportional to 65,846.78, 98,784.81 and 25,869.63 is: 38,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.78 : 98,784.81 = 25,869.63 : x
  2. Step 2: Convert to fraction form
    65,846.78/98,784.81 = 25,869.63/x
  3. Step 3: Cross multiply
    65,846.78x = 98,784.81 × 25,869.63
  4. Step 4: Simplify right side
    65,846.78x = 2,555,526,484.32
  5. Step 5: Solve for x
    x = 2,555,526,484.32/65,846.78
  6. Step 6: Final answer
    x = 38,810.20

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1.5x scale

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.