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Finding the Fourth Proportional to 66,468.76, 99,665.76 and 22,071.76

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Solution

The fourth proportional to 66,468.76, 99,665.76 and 22,071.76 is: 33,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468.76 : 99,665.76 = 22,071.76 : x
  2. Step 2: Convert to fraction form
    66,468.76/99,665.76 = 22,071.76/x
  3. Step 3: Cross multiply
    66,468.76x = 99,665.76 × 22,071.76
  4. Step 4: Simplify right side
    66,468.76x = 2,199,798,734.94
  5. Step 5: Solve for x
    x = 2,199,798,734.94/66,468.76
  6. Step 6: Final answer
    x = 33,095.23

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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.