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Finding the Fourth Proportional to 63,492.95, 87,620.40 and 35,198.64

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Solution

The fourth proportional to 63,492.95, 87,620.40 and 35,198.64 is: 48,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,492.95 : 87,620.40 = 35,198.64 : x
  2. Step 2: Convert to fraction form
    63,492.95/87,620.40 = 35,198.64/x
  3. Step 3: Cross multiply
    63,492.95x = 87,620.40 × 35,198.64
  4. Step 4: Simplify right side
    63,492.95x = 3,084,118,916.26
  5. Step 5: Solve for x
    x = 3,084,118,916.26/63,492.95
  6. Step 6: Final answer
    x = 48,574.19

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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.