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Finding the Fourth Proportional to 14,821.50, 22,243.17 and 7,030.32

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Solution

The fourth proportional to 14,821.50, 22,243.17 and 7,030.32 is: 10,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.50 : 22,243.17 = 7,030.32 : x
  2. Step 2: Convert to fraction form
    14,821.50/22,243.17 = 7,030.32/x
  3. Step 3: Cross multiply
    14,821.50x = 22,243.17 × 7,030.32
  4. Step 4: Simplify right side
    14,821.50x = 156,376,602.91
  5. Step 5: Solve for x
    x = 156,376,602.91/14,821.50
  6. Step 6: Final answer
    x = 10,550.66

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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.