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Finding the Fourth Proportional to 18,496.77, 25,528.04 and 10,432.08

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Solution

The fourth proportional to 18,496.77, 25,528.04 and 10,432.08 is: 14,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.77 : 25,528.04 = 10,432.08 : x
  2. Step 2: Convert to fraction form
    18,496.77/25,528.04 = 10,432.08/x
  3. Step 3: Cross multiply
    18,496.77x = 25,528.04 × 10,432.08
  4. Step 4: Simplify right side
    18,496.77x = 266,310,597.11
  5. Step 5: Solve for x
    x = 266,310,597.11/18,496.77
  6. Step 6: Final answer
    x = 14,397.68

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Half scale
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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.