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Finding the Fourth Proportional to 48,443.96, 66,852.96 and 29,317.40

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Solution

The fourth proportional to 48,443.96, 66,852.96 and 29,317.40 is: 40,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.96 : 66,852.96 = 29,317.40 : x
  2. Step 2: Convert to fraction form
    48,443.96/66,852.96 = 29,317.40/x
  3. Step 3: Cross multiply
    48,443.96x = 66,852.96 × 29,317.40
  4. Step 4: Simplify right side
    48,443.96x = 1,959,954,969.50
  5. Step 5: Solve for x
    x = 1,959,954,969.50/48,443.96
  6. Step 6: Final answer
    x = 40,458.19

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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.