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Finding the Fourth Proportional to 35,231.84, 48,619.93 and 19,315.95

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Solution

The fourth proportional to 35,231.84, 48,619.93 and 19,315.95 is: 26,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.84 : 48,619.93 = 19,315.95 : x
  2. Step 2: Convert to fraction form
    35,231.84/48,619.93 = 19,315.95/x
  3. Step 3: Cross multiply
    35,231.84x = 48,619.93 × 19,315.95
  4. Step 4: Simplify right side
    35,231.84x = 939,140,040.30
  5. Step 5: Solve for x
    x = 939,140,040.30/35,231.84
  6. Step 6: Final answer
    x = 26,656.00

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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.