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Finding the Fourth Proportional to 66,602.05, 99,417.22 and 58,194.41

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Solution

The fourth proportional to 66,602.05, 99,417.22 and 58,194.41 is: 86,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602.05 : 99,417.22 = 58,194.41 : x
  2. Step 2: Convert to fraction form
    66,602.05/99,417.22 = 58,194.41/x
  3. Step 3: Cross multiply
    66,602.05x = 99,417.22 × 58,194.41
  4. Step 4: Simplify right side
    66,602.05x = 5,785,525,819.17
  5. Step 5: Solve for x
    x = 5,785,525,819.17/66,602.05
  6. Step 6: Final answer
    x = 86,867.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.