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Finding the Fourth Proportional to 14,807.70, 22,175.10 and 7,007.40

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Solution

The fourth proportional to 14,807.70, 22,175.10 and 7,007.40 is: 10,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.70 : 22,175.10 = 7,007.40 : x
  2. Step 2: Convert to fraction form
    14,807.70/22,175.10 = 7,007.40/x
  3. Step 3: Cross multiply
    14,807.70x = 22,175.10 × 7,007.40
  4. Step 4: Simplify right side
    14,807.70x = 155,389,795.74
  5. Step 5: Solve for x
    x = 155,389,795.74/14,807.70
  6. Step 6: Final answer
    x = 10,493.85

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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.