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Finding the Fourth Proportional to 13,483.53, 18,598.59 and 8,946.11

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Solution

The fourth proportional to 13,483.53, 18,598.59 and 8,946.11 is: 12,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.53 : 18,598.59 = 8,946.11 : x
  2. Step 2: Convert to fraction form
    13,483.53/18,598.59 = 8,946.11/x
  3. Step 3: Cross multiply
    13,483.53x = 18,598.59 × 8,946.11
  4. Step 4: Simplify right side
    13,483.53x = 166,385,033.75
  5. Step 5: Solve for x
    x = 166,385,033.75/13,483.53
  6. Step 6: Final answer
    x = 12,339.87

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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.