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Finding the Fourth Proportional to 48,495.36, 66,899.88 and 29,599.68

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Solution

The fourth proportional to 48,495.36, 66,899.88 and 29,599.68 is: 40,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.36 : 66,899.88 = 29,599.68 : x
  2. Step 2: Convert to fraction form
    48,495.36/66,899.88 = 29,599.68/x
  3. Step 3: Cross multiply
    48,495.36x = 66,899.88 × 29,599.68
  4. Step 4: Simplify right side
    48,495.36x = 1,980,215,040.04
  5. Step 5: Solve for x
    x = 1,980,215,040.04/48,495.36
  6. Step 6: Final answer
    x = 40,833.08

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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.