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Finding the Fourth Proportional to 10,783.51, 14,881.14 and 6,067.69

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Solution

The fourth proportional to 10,783.51, 14,881.14 and 6,067.69 is: 8,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.51 : 14,881.14 = 6,067.69 : x
  2. Step 2: Convert to fraction form
    10,783.51/14,881.14 = 6,067.69/x
  3. Step 3: Cross multiply
    10,783.51x = 14,881.14 × 6,067.69
  4. Step 4: Simplify right side
    10,783.51x = 90,294,144.37
  5. Step 5: Solve for x
    x = 90,294,144.37/10,783.51
  6. Step 6: Final answer
    x = 8,373.35

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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.