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Finding the Fourth Proportional to 10,686.93, 14,747.93 and 5,971.22

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Solution

The fourth proportional to 10,686.93, 14,747.93 and 5,971.22 is: 8,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.93 : 14,747.93 = 5,971.22 : x
  2. Step 2: Convert to fraction form
    10,686.93/14,747.93 = 5,971.22/x
  3. Step 3: Cross multiply
    10,686.93x = 14,747.93 × 5,971.22
  4. Step 4: Simplify right side
    10,686.93x = 88,063,075.76
  5. Step 5: Solve for x
    x = 88,063,075.76/10,686.93
  6. Step 6: Final answer
    x = 8,240.26

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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.