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Finding the Fourth Proportional to 14,090.25, 19,444.95 and 7,803.03

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Solution

The fourth proportional to 14,090.25, 19,444.95 and 7,803.03 is: 10,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.25 : 19,444.95 = 7,803.03 : x
  2. Step 2: Convert to fraction form
    14,090.25/19,444.95 = 7,803.03/x
  3. Step 3: Cross multiply
    14,090.25x = 19,444.95 × 7,803.03
  4. Step 4: Simplify right side
    14,090.25x = 151,729,528.20
  5. Step 5: Solve for x
    x = 151,729,528.20/14,090.25
  6. Step 6: Final answer
    x = 10,768.41

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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.