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Finding the Fourth Proportional to 14,737.40, 22,055.70 and 8,898.20

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Solution

The fourth proportional to 14,737.40, 22,055.70 and 8,898.20 is: 13,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.40 : 22,055.70 = 8,898.20 : x
  2. Step 2: Convert to fraction form
    14,737.40/22,055.70 = 8,898.20/x
  3. Step 3: Cross multiply
    14,737.40x = 22,055.70 × 8,898.20
  4. Step 4: Simplify right side
    14,737.40x = 196,256,029.74
  5. Step 5: Solve for x
    x = 196,256,029.74/14,737.40
  6. Step 6: Final answer
    x = 13,316.87

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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.