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Finding the Fourth Proportional to 35,228.76, 48,615.74 and 19,313.88

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Solution

The fourth proportional to 35,228.76, 48,615.74 and 19,313.88 is: 26,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.76 : 48,615.74 = 19,313.88 : x
  2. Step 2: Convert to fraction form
    35,228.76/48,615.74 = 19,313.88/x
  3. Step 3: Cross multiply
    35,228.76x = 48,615.74 × 19,313.88
  4. Step 4: Simplify right side
    35,228.76x = 938,958,568.47
  5. Step 5: Solve for x
    x = 938,958,568.47/35,228.76
  6. Step 6: Final answer
    x = 26,653.18

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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.