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Finding the Fourth Proportional to 32,807.88, 49,208.70 and 13,081.16

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Solution

The fourth proportional to 32,807.88, 49,208.70 and 13,081.16 is: 19,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807.88 : 49,208.70 = 13,081.16 : x
  2. Step 2: Convert to fraction form
    32,807.88/49,208.70 = 13,081.16/x
  3. Step 3: Cross multiply
    32,807.88x = 49,208.70 × 13,081.16
  4. Step 4: Simplify right side
    32,807.88x = 643,706,878.09
  5. Step 5: Solve for x
    x = 643,706,878.09/32,807.88
  6. Step 6: Final answer
    x = 19,620.50

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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.