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Finding the Fourth Proportional to 13,952.13, 19,253.93 and 7,664.91

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Solution

The fourth proportional to 13,952.13, 19,253.93 and 7,664.91 is: 10,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.13 : 19,253.93 = 7,664.91 : x
  2. Step 2: Convert to fraction form
    13,952.13/19,253.93 = 7,664.91/x
  3. Step 3: Cross multiply
    13,952.13x = 19,253.93 × 7,664.91
  4. Step 4: Simplify right side
    13,952.13x = 147,579,640.60
  5. Step 5: Solve for x
    x = 147,579,640.60/13,952.13
  6. Step 6: Final answer
    x = 10,577.57

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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.