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Finding the Fourth Proportional to 66,392.68, 99,583.56 and 22,004.92

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Solution

The fourth proportional to 66,392.68, 99,583.56 and 22,004.92 is: 33,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.68 : 99,583.56 = 22,004.92 : x
  2. Step 2: Convert to fraction form
    66,392.68/99,583.56 = 22,004.92/x
  3. Step 3: Cross multiply
    66,392.68x = 99,583.56 × 22,004.92
  4. Step 4: Simplify right side
    66,392.68x = 2,191,328,271.12
  5. Step 5: Solve for x
    x = 2,191,328,271.12/66,392.68
  6. Step 6: Final answer
    x = 33,005.57

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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.