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Finding the Fourth Proportional to 43,681.78, 60,280.86 and 23,809.78

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Solution

The fourth proportional to 43,681.78, 60,280.86 and 23,809.78 is: 32,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.78 : 60,280.86 = 23,809.78 : x
  2. Step 2: Convert to fraction form
    43,681.78/60,280.86 = 23,809.78/x
  3. Step 3: Cross multiply
    43,681.78x = 60,280.86 × 23,809.78
  4. Step 4: Simplify right side
    43,681.78x = 1,435,274,014.81
  5. Step 5: Solve for x
    x = 1,435,274,014.81/43,681.78
  6. Step 6: Final answer
    x = 32,857.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.