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Finding the Fourth Proportional to 48,988.60, 67,599.02 and 28,844.30

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Solution

The fourth proportional to 48,988.60, 67,599.02 and 28,844.30 is: 39,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.60 : 67,599.02 = 28,844.30 : x
  2. Step 2: Convert to fraction form
    48,988.60/67,599.02 = 28,844.30/x
  3. Step 3: Cross multiply
    48,988.60x = 67,599.02 × 28,844.30
  4. Step 4: Simplify right side
    48,988.60x = 1,949,846,653.69
  5. Step 5: Solve for x
    x = 1,949,846,653.69/48,988.60
  6. Step 6: Final answer
    x = 39,802.05

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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.