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Finding the Fourth Proportional to 14,277.18, 19,701.86 and 7,904.01

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Solution

The fourth proportional to 14,277.18, 19,701.86 and 7,904.01 is: 10,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.18 : 19,701.86 = 7,904.01 : x
  2. Step 2: Convert to fraction form
    14,277.18/19,701.86 = 7,904.01/x
  3. Step 3: Cross multiply
    14,277.18x = 19,701.86 × 7,904.01
  4. Step 4: Simplify right side
    14,277.18x = 155,723,698.46
  5. Step 5: Solve for x
    x = 155,723,698.46/14,277.18
  6. Step 6: Final answer
    x = 10,907.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.