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Finding the Fourth Proportional to 46,390, 63,958.40 and 37,883.12

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Solution

The fourth proportional to 46,390, 63,958.40 and 37,883.12 is: 52,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390 : 63,958.40 = 37,883.12 : x
  2. Step 2: Convert to fraction form
    46,390/63,958.40 = 37,883.12/x
  3. Step 3: Cross multiply
    46,390x = 63,958.40 × 37,883.12
  4. Step 4: Simplify right side
    46,390x = 2,422,943,742.21
  5. Step 5: Solve for x
    x = 2,422,943,742.21/46,390
  6. Step 6: Final answer
    x = 52,229.87

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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.