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Finding the Fourth Proportional to 46,562.40, 69,843.60 and 42,407.10

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Solution

The fourth proportional to 46,562.40, 69,843.60 and 42,407.10 is: 63,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,562.40 : 69,843.60 = 42,407.10 : x
  2. Step 2: Convert to fraction form
    46,562.40/69,843.60 = 42,407.10/x
  3. Step 3: Cross multiply
    46,562.40x = 69,843.60 × 42,407.10
  4. Step 4: Simplify right side
    46,562.40x = 2,961,864,529.56
  5. Step 5: Solve for x
    x = 2,961,864,529.56/46,562.40
  6. Step 6: Final answer
    x = 63,610.65

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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.