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Finding the Fourth Proportional to 48,367.80, 72,551.70 and 13,307.40

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Solution

The fourth proportional to 48,367.80, 72,551.70 and 13,307.40 is: 19,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,367.80 : 72,551.70 = 13,307.40 : x
  2. Step 2: Convert to fraction form
    48,367.80/72,551.70 = 13,307.40/x
  3. Step 3: Cross multiply
    48,367.80x = 72,551.70 × 13,307.40
  4. Step 4: Simplify right side
    48,367.80x = 965,474,492.58
  5. Step 5: Solve for x
    x = 965,474,492.58/48,367.80
  6. Step 6: Final answer
    x = 19,961.10

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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.