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Finding the Fourth Proportional to 46,124.80, 69,316.80 and 40,422.40

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Solution

The fourth proportional to 46,124.80, 69,316.80 and 40,422.40 is: 60,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,124.80 : 69,316.80 = 40,422.40 : x
  2. Step 2: Convert to fraction form
    46,124.80/69,316.80 = 40,422.40/x
  3. Step 3: Cross multiply
    46,124.80x = 69,316.80 × 40,422.40
  4. Step 4: Simplify right side
    46,124.80x = 2,801,951,416.32
  5. Step 5: Solve for x
    x = 2,801,951,416.32/46,124.80
  6. Step 6: Final answer
    x = 60,747.18

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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.