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Finding the Fourth Proportional to 14,810.51, 22,224.51 and 5,457.11

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Solution

The fourth proportional to 14,810.51, 22,224.51 and 5,457.11 is: 8,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.51 : 22,224.51 = 5,457.11 : x
  2. Step 2: Convert to fraction form
    14,810.51/22,224.51 = 5,457.11/x
  3. Step 3: Cross multiply
    14,810.51x = 22,224.51 × 5,457.11
  4. Step 4: Simplify right side
    14,810.51x = 121,281,484.64
  5. Step 5: Solve for x
    x = 121,281,484.64/14,810.51
  6. Step 6: Final answer
    x = 8,188.88

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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.