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Finding the Fourth Proportional to 66,451.59, 99,538.95 and 33,070.44

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Solution

The fourth proportional to 66,451.59, 99,538.95 and 33,070.44 is: 49,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.59 : 99,538.95 = 33,070.44 : x
  2. Step 2: Convert to fraction form
    66,451.59/99,538.95 = 33,070.44/x
  3. Step 3: Cross multiply
    66,451.59x = 99,538.95 × 33,070.44
  4. Step 4: Simplify right side
    66,451.59x = 3,291,796,873.64
  5. Step 5: Solve for x
    x = 3,291,796,873.64/66,451.59
  6. Step 6: Final answer
    x = 49,536.77

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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.