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Finding the Fourth Proportional to 18,368.08, 25,348.49 and 10,410.04

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Solution

The fourth proportional to 18,368.08, 25,348.49 and 10,410.04 is: 14,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.08 : 25,348.49 = 10,410.04 : x
  2. Step 2: Convert to fraction form
    18,368.08/25,348.49 = 10,410.04/x
  3. Step 3: Cross multiply
    18,368.08x = 25,348.49 × 10,410.04
  4. Step 4: Simplify right side
    18,368.08x = 263,878,794.84
  5. Step 5: Solve for x
    x = 263,878,794.84/18,368.08
  6. Step 6: Final answer
    x = 14,366.16

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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.