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Finding the Fourth Proportional to 66,674.73, 92,009.74 and 36,459.71

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Solution

The fourth proportional to 66,674.73, 92,009.74 and 36,459.71 is: 50,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.73 : 92,009.74 = 36,459.71 : x
  2. Step 2: Convert to fraction form
    66,674.73/92,009.74 = 36,459.71/x
  3. Step 3: Cross multiply
    66,674.73x = 92,009.74 × 36,459.71
  4. Step 4: Simplify right side
    66,674.73x = 3,354,648,437.58
  5. Step 5: Solve for x
    x = 3,354,648,437.58/66,674.73
  6. Step 6: Final answer
    x = 50,313.64

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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.