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Finding the Fourth Proportional to 30,828.93, 45,972.71 and 30,548.27

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Solution

The fourth proportional to 30,828.93, 45,972.71 and 30,548.27 is: 45,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828.93 : 45,972.71 = 30,548.27 : x
  2. Step 2: Convert to fraction form
    30,828.93/45,972.71 = 30,548.27/x
  3. Step 3: Cross multiply
    30,828.93x = 45,972.71 × 30,548.27
  4. Step 4: Simplify right side
    30,828.93x = 1,404,386,375.11
  5. Step 5: Solve for x
    x = 1,404,386,375.11/30,828.93
  6. Step 6: Final answer
    x = 45,554.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.