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Finding the Fourth Proportional to 35,263.86, 48,662.91 and 19,347.90

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Solution

The fourth proportional to 35,263.86, 48,662.91 and 19,347.90 is: 26,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263.86 : 48,662.91 = 19,347.90 : x
  2. Step 2: Convert to fraction form
    35,263.86/48,662.91 = 19,347.90/x
  3. Step 3: Cross multiply
    35,263.86x = 48,662.91 × 19,347.90
  4. Step 4: Simplify right side
    35,263.86x = 941,525,116.39
  5. Step 5: Solve for x
    x = 941,525,116.39/35,263.86
  6. Step 6: Final answer
    x = 26,699.43

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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.