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Finding the Fourth Proportional to 66,673.49, 92,005.65 and 36,453.20

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Solution

The fourth proportional to 66,673.49, 92,005.65 and 36,453.20 is: 50,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,673.49 : 92,005.65 = 36,453.20 : x
  2. Step 2: Convert to fraction form
    66,673.49/92,005.65 = 36,453.20/x
  3. Step 3: Cross multiply
    66,673.49x = 92,005.65 × 36,453.20
  4. Step 4: Simplify right side
    66,673.49x = 3,353,899,900.55
  5. Step 5: Solve for x
    x = 3,353,899,900.55/66,673.49
  6. Step 6: Final answer
    x = 50,303.35

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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.