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Finding the Fourth Proportional to 70,506.26, 105,728.25 and 33,036.06

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Solution

The fourth proportional to 70,506.26, 105,728.25 and 33,036.06 is: 49,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506.26 : 105,728.25 = 33,036.06 : x
  2. Step 2: Convert to fraction form
    70,506.26/105,728.25 = 33,036.06/x
  3. Step 3: Cross multiply
    70,506.26x = 105,728.25 × 33,036.06
  4. Step 4: Simplify right side
    70,506.26x = 3,492,845,331.06
  5. Step 5: Solve for x
    x = 3,492,845,331.06/70,506.26
  6. Step 6: Final answer
    x = 49,539.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.