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Finding the Fourth Proportional to 27,297.54, 40,947.12 and 10,656.90

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Solution

The fourth proportional to 27,297.54, 40,947.12 and 10,656.90 is: 15,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.54 : 40,947.12 = 10,656.90 : x
  2. Step 2: Convert to fraction form
    27,297.54/40,947.12 = 10,656.90/x
  3. Step 3: Cross multiply
    27,297.54x = 40,947.12 × 10,656.90
  4. Step 4: Simplify right side
    27,297.54x = 436,369,363.13
  5. Step 5: Solve for x
    x = 436,369,363.13/27,297.54
  6. Step 6: Final answer
    x = 15,985.67

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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.