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Finding the Fourth Proportional to 23,903.76, 32,986.92 and 13,294.32

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Solution

The fourth proportional to 23,903.76, 32,986.92 and 13,294.32 is: 18,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.76 : 32,986.92 = 13,294.32 : x
  2. Step 2: Convert to fraction form
    23,903.76/32,986.92 = 13,294.32/x
  3. Step 3: Cross multiply
    23,903.76x = 32,986.92 × 13,294.32
  4. Step 4: Simplify right side
    23,903.76x = 438,538,670.29
  5. Step 5: Solve for x
    x = 438,538,670.29/23,903.76
  6. Step 6: Final answer
    x = 18,346.01

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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.