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Finding the Fourth Proportional to 10,556.66, 14,560.06 and 7,368.94

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Solution

The fourth proportional to 10,556.66, 14,560.06 and 7,368.94 is: 10,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.66 : 14,560.06 = 7,368.94 : x
  2. Step 2: Convert to fraction form
    10,556.66/14,560.06 = 7,368.94/x
  3. Step 3: Cross multiply
    10,556.66x = 14,560.06 × 7,368.94
  4. Step 4: Simplify right side
    10,556.66x = 107,292,208.54
  5. Step 5: Solve for x
    x = 107,292,208.54/10,556.66
  6. Step 6: Final answer
    x = 10,163.46

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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.