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Finding the Fourth Proportional to 46,443.70, 69,811.35 and 45,568.90

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Solution

The fourth proportional to 46,443.70, 69,811.35 and 45,568.90 is: 68,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,443.70 : 69,811.35 = 45,568.90 : x
  2. Step 2: Convert to fraction form
    46,443.70/69,811.35 = 45,568.90/x
  3. Step 3: Cross multiply
    46,443.70x = 69,811.35 × 45,568.90
  4. Step 4: Simplify right side
    46,443.70x = 3,181,226,427.02
  5. Step 5: Solve for x
    x = 3,181,226,427.02/46,443.70
  6. Step 6: Final answer
    x = 68,496.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.