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Finding the Fourth Proportional to 12,903.10, 17,807.93 and 7,598.41

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Solution

The fourth proportional to 12,903.10, 17,807.93 and 7,598.41 is: 10,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.10 : 17,807.93 = 7,598.41 : x
  2. Step 2: Convert to fraction form
    12,903.10/17,807.93 = 7,598.41/x
  3. Step 3: Cross multiply
    12,903.10x = 17,807.93 × 7,598.41
  4. Step 4: Simplify right side
    12,903.10x = 135,311,953.39
  5. Step 5: Solve for x
    x = 135,311,953.39/12,903.10
  6. Step 6: Final answer
    x = 10,486.78

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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.