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Finding the Fourth Proportional to 10.59, 14.64 and 10.25

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Solution

The fourth proportional to 10.59, 14.64 and 10.25 is: 14.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.59 : 14.64 = 10.25 : x
  2. Step 2: Convert to fraction form
    10.59/14.64 = 10.25/x
  3. Step 3: Cross multiply
    10.59x = 14.64 × 10.25
  4. Step 4: Simplify right side
    10.59x = 150.00
  5. Step 5: Solve for x
    x = 150.00/10.59
  6. Step 6: Final answer
    x = 14.16

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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.