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Finding the Fourth Proportional to 67,716.70, 93,464.59 and 45,056.64

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Solution

The fourth proportional to 67,716.70, 93,464.59 and 45,056.64 is: 62,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716.70 : 93,464.59 = 45,056.64 : x
  2. Step 2: Convert to fraction form
    67,716.70/93,464.59 = 45,056.64/x
  3. Step 3: Cross multiply
    67,716.70x = 93,464.59 × 45,056.64
  4. Step 4: Simplify right side
    67,716.70x = 4,211,200,384.38
  5. Step 5: Solve for x
    x = 4,211,200,384.38/67,716.70
  6. Step 6: Final answer
    x = 62,188.51

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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.