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Finding the Fourth Proportional to 14,444.62, 21,666.94 and 5,210.62

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Solution

The fourth proportional to 14,444.62, 21,666.94 and 5,210.62 is: 7,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.62 : 21,666.94 = 5,210.62 : x
  2. Step 2: Convert to fraction form
    14,444.62/21,666.94 = 5,210.62/x
  3. Step 3: Cross multiply
    14,444.62x = 21,666.94 × 5,210.62
  4. Step 4: Simplify right side
    14,444.62x = 112,898,190.90
  5. Step 5: Solve for x
    x = 112,898,190.90/14,444.62
  6. Step 6: Final answer
    x = 7,815.93

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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.