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Finding the Fourth Proportional to 10,804.17, 14,908.68 and 7,973.09

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Solution

The fourth proportional to 10,804.17, 14,908.68 and 7,973.09 is: 11,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.17 : 14,908.68 = 7,973.09 : x
  2. Step 2: Convert to fraction form
    10,804.17/14,908.68 = 7,973.09/x
  3. Step 3: Cross multiply
    10,804.17x = 14,908.68 × 7,973.09
  4. Step 4: Simplify right side
    10,804.17x = 118,868,172.88
  5. Step 5: Solve for x
    x = 118,868,172.88/10,804.17
  6. Step 6: Final answer
    x = 11,002.06

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1.5x scale

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.