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Finding the Fourth Proportional to 34,955.16, 48,239.28 and 19,848.48

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Solution

The fourth proportional to 34,955.16, 48,239.28 and 19,848.48 is: 27,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.16 : 48,239.28 = 19,848.48 : x
  2. Step 2: Convert to fraction form
    34,955.16/48,239.28 = 19,848.48/x
  3. Step 3: Cross multiply
    34,955.16x = 48,239.28 × 19,848.48
  4. Step 4: Simplify right side
    34,955.16x = 957,476,384.29
  5. Step 5: Solve for x
    x = 957,476,384.29/34,955.16
  6. Step 6: Final answer
    x = 27,391.56

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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.