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Finding the Fourth Proportional to 34,955.50, 48,238.66 and 19,039.90

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Solution

The fourth proportional to 34,955.50, 48,238.66 and 19,039.90 is: 26,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.50 : 48,238.66 = 19,039.90 : x
  2. Step 2: Convert to fraction form
    34,955.50/48,238.66 = 19,039.90/x
  3. Step 3: Cross multiply
    34,955.50x = 48,238.66 × 19,039.90
  4. Step 4: Simplify right side
    34,955.50x = 918,459,262.53
  5. Step 5: Solve for x
    x = 918,459,262.53/34,955.50
  6. Step 6: Final answer
    x = 26,275.10

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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.