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Finding the Fourth Proportional to 8,700.41, 12,006.63 and 4,923.59

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Solution

The fourth proportional to 8,700.41, 12,006.63 and 4,923.59 is: 6,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.41 : 12,006.63 = 4,923.59 : x
  2. Step 2: Convert to fraction form
    8,700.41/12,006.63 = 4,923.59/x
  3. Step 3: Cross multiply
    8,700.41x = 12,006.63 × 4,923.59
  4. Step 4: Simplify right side
    8,700.41x = 59,115,663.37
  5. Step 5: Solve for x
    x = 59,115,663.37/8,700.41
  6. Step 6: Final answer
    x = 6,794.58

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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.