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Finding the Fourth Proportional to 35,221.64, 48,607.76 and 19,306.76

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Solution

The fourth proportional to 35,221.64, 48,607.76 and 19,306.76 is: 26,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.64 : 48,607.76 = 19,306.76 : x
  2. Step 2: Convert to fraction form
    35,221.64/48,607.76 = 19,306.76/x
  3. Step 3: Cross multiply
    35,221.64x = 48,607.76 × 19,306.76
  4. Step 4: Simplify right side
    35,221.64x = 938,458,356.46
  5. Step 5: Solve for x
    x = 938,458,356.46/35,221.64
  6. Step 6: Final answer
    x = 26,644.37

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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.