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Finding the Fourth Proportional to 35,462.40, 48,936.12 and 19,543.86

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Solution

The fourth proportional to 35,462.40, 48,936.12 and 19,543.86 is: 26,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.40 : 48,936.12 = 19,543.86 : x
  2. Step 2: Convert to fraction form
    35,462.40/48,936.12 = 19,543.86/x
  3. Step 3: Cross multiply
    35,462.40x = 48,936.12 × 19,543.86
  4. Step 4: Simplify right side
    35,462.40x = 956,400,678.22
  5. Step 5: Solve for x
    x = 956,400,678.22/35,462.40
  6. Step 6: Final answer
    x = 26,969.43

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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.