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Finding the Fourth Proportional to 18,592.36, 25,657.02 and 10,935.64

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Solution

The fourth proportional to 18,592.36, 25,657.02 and 10,935.64 is: 15,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.36 : 25,657.02 = 10,935.64 : x
  2. Step 2: Convert to fraction form
    18,592.36/25,657.02 = 10,935.64/x
  3. Step 3: Cross multiply
    18,592.36x = 25,657.02 × 10,935.64
  4. Step 4: Simplify right side
    18,592.36x = 280,575,934.19
  5. Step 5: Solve for x
    x = 280,575,934.19/18,592.36
  6. Step 6: Final answer
    x = 15,090.93

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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.