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Finding the Fourth Proportional to 48,303.19, 72,465.72 and 17,138.44

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Solution

The fourth proportional to 48,303.19, 72,465.72 and 17,138.44 is: 25,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.19 : 72,465.72 = 17,138.44 : x
  2. Step 2: Convert to fraction form
    48,303.19/72,465.72 = 17,138.44/x
  3. Step 3: Cross multiply
    48,303.19x = 72,465.72 × 17,138.44
  4. Step 4: Simplify right side
    48,303.19x = 1,241,949,394.28
  5. Step 5: Solve for x
    x = 1,241,949,394.28/48,303.19
  6. Step 6: Final answer
    x = 25,711.54

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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.