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Finding the Fourth Proportional to 8,937.07, 13,410.65 and 8,866.51

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Solution

The fourth proportional to 8,937.07, 13,410.65 and 8,866.51 is: 13,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.07 : 13,410.65 = 8,866.51 : x
  2. Step 2: Convert to fraction form
    8,937.07/13,410.65 = 8,866.51/x
  3. Step 3: Cross multiply
    8,937.07x = 13,410.65 × 8,866.51
  4. Step 4: Simplify right side
    8,937.07x = 118,905,662.33
  5. Step 5: Solve for x
    x = 118,905,662.33/8,937.07
  6. Step 6: Final answer
    x = 13,304.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.