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Finding the Fourth Proportional to 12,319.52, 18,495.71 and 10,482.44

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Solution

The fourth proportional to 12,319.52, 18,495.71 and 10,482.44 is: 15,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.52 : 18,495.71 = 10,482.44 : x
  2. Step 2: Convert to fraction form
    12,319.52/18,495.71 = 10,482.44/x
  3. Step 3: Cross multiply
    12,319.52x = 18,495.71 × 10,482.44
  4. Step 4: Simplify right side
    12,319.52x = 193,880,117.92
  5. Step 5: Solve for x
    x = 193,880,117.92/12,319.52
  6. Step 6: Final answer
    x = 15,737.64

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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.