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Finding the Fourth Proportional to 14,647.15, 21,957.76 and 6,853.87

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Solution

The fourth proportional to 14,647.15, 21,957.76 and 6,853.87 is: 10,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.15 : 21,957.76 = 6,853.87 : x
  2. Step 2: Convert to fraction form
    14,647.15/21,957.76 = 6,853.87/x
  3. Step 3: Cross multiply
    14,647.15x = 21,957.76 × 6,853.87
  4. Step 4: Simplify right side
    14,647.15x = 150,495,632.53
  5. Step 5: Solve for x
    x = 150,495,632.53/14,647.15
  6. Step 6: Final answer
    x = 10,274.74

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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.