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Finding the Fourth Proportional to 63,784.36, 88,019.13 and 35,106.74

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Solution

The fourth proportional to 63,784.36, 88,019.13 and 35,106.74 is: 48,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,784.36 : 88,019.13 = 35,106.74 : x
  2. Step 2: Convert to fraction form
    63,784.36/88,019.13 = 35,106.74/x
  3. Step 3: Cross multiply
    63,784.36x = 88,019.13 × 35,106.74
  4. Step 4: Simplify right side
    63,784.36x = 3,090,064,799.70
  5. Step 5: Solve for x
    x = 3,090,064,799.70/63,784.36
  6. Step 6: Final answer
    x = 48,445.50

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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.