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Finding the Fourth Proportional to 66,063.94, 99,111.06 and 28,630.30

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Solution

The fourth proportional to 66,063.94, 99,111.06 and 28,630.30 is: 42,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.94 : 99,111.06 = 28,630.30 : x
  2. Step 2: Convert to fraction form
    66,063.94/99,111.06 = 28,630.30/x
  3. Step 3: Cross multiply
    66,063.94x = 99,111.06 × 28,630.30
  4. Step 4: Simplify right side
    66,063.94x = 2,837,579,309.54
  5. Step 5: Solve for x
    x = 2,837,579,309.54/66,063.94
  6. Step 6: Final answer
    x = 42,952.01

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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.