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Finding the Fourth Proportional to 27,038.40, 37,311.48 and 16,968.48

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Solution

The fourth proportional to 27,038.40, 37,311.48 and 16,968.48 is: 23,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.40 : 37,311.48 = 16,968.48 : x
  2. Step 2: Convert to fraction form
    27,038.40/37,311.48 = 16,968.48/x
  3. Step 3: Cross multiply
    27,038.40x = 37,311.48 × 16,968.48
  4. Step 4: Simplify right side
    27,038.40x = 633,119,102.15
  5. Step 5: Solve for x
    x = 633,119,102.15/27,038.40
  6. Step 6: Final answer
    x = 23,415.55

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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.