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Finding the Fourth Proportional to 35,347.56, 48,780.56 and 19,215.95

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Solution

The fourth proportional to 35,347.56, 48,780.56 and 19,215.95 is: 26,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.56 : 48,780.56 = 19,215.95 : x
  2. Step 2: Convert to fraction form
    35,347.56/48,780.56 = 19,215.95/x
  3. Step 3: Cross multiply
    35,347.56x = 48,780.56 × 19,215.95
  4. Step 4: Simplify right side
    35,347.56x = 937,364,705.85
  5. Step 5: Solve for x
    x = 937,364,705.85/35,347.56
  6. Step 6: Final answer
    x = 26,518.52

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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.