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Finding the Fourth Proportional to 66,063.92, 99,111.01 and 28,630.27

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Solution

The fourth proportional to 66,063.92, 99,111.01 and 28,630.27 is: 42,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.92 : 99,111.01 = 28,630.27 : x
  2. Step 2: Convert to fraction form
    66,063.92/99,111.01 = 28,630.27/x
  3. Step 3: Cross multiply
    66,063.92x = 99,111.01 × 28,630.27
  4. Step 4: Simplify right side
    66,063.92x = 2,837,574,656.92
  5. Step 5: Solve for x
    x = 2,837,574,656.92/66,063.92
  6. Step 6: Final answer
    x = 42,951.96

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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.