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Finding the Fourth Proportional to 66,815.02, 92,204.64 and 36,602.20

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Solution

The fourth proportional to 66,815.02, 92,204.64 and 36,602.20 is: 50,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,815.02 : 92,204.64 = 36,602.20 : x
  2. Step 2: Convert to fraction form
    66,815.02/92,204.64 = 36,602.20/x
  3. Step 3: Cross multiply
    66,815.02x = 92,204.64 × 36,602.20
  4. Step 4: Simplify right side
    66,815.02x = 3,374,892,674.21
  5. Step 5: Solve for x
    x = 3,374,892,674.21/66,815.02
  6. Step 6: Final answer
    x = 50,510.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.