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Finding the Fourth Proportional to 71,803, 99,090.42 and 44,936.92

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Solution

The fourth proportional to 71,803, 99,090.42 and 44,936.92 is: 62,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,803 : 99,090.42 = 44,936.92 : x
  2. Step 2: Convert to fraction form
    71,803/99,090.42 = 44,936.92/x
  3. Step 3: Cross multiply
    71,803x = 99,090.42 × 44,936.92
  4. Step 4: Simplify right side
    71,803x = 4,452,818,276.31
  5. Step 5: Solve for x
    x = 4,452,818,276.31/71,803
  6. Step 6: Final answer
    x = 62,014.38

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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.