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Finding the Fourth Proportional to 14,066.10, 21,104 and 5,303.52

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Solution

The fourth proportional to 14,066.10, 21,104 and 5,303.52 is: 7,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.10 : 21,104 = 5,303.52 : x
  2. Step 2: Convert to fraction form
    14,066.10/21,104 = 5,303.52/x
  3. Step 3: Cross multiply
    14,066.10x = 21,104 × 5,303.52
  4. Step 4: Simplify right side
    14,066.10x = 111,925,486.08
  5. Step 5: Solve for x
    x = 111,925,486.08/14,066.10
  6. Step 6: Final answer
    x = 7,957.11

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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.