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Finding the Fourth Proportional to 63,602.04, 87,811.14 and 40,949.40

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Solution

The fourth proportional to 63,602.04, 87,811.14 and 40,949.40 is: 56,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,602.04 : 87,811.14 = 40,949.40 : x
  2. Step 2: Convert to fraction form
    63,602.04/87,811.14 = 40,949.40/x
  3. Step 3: Cross multiply
    63,602.04x = 87,811.14 × 40,949.40
  4. Step 4: Simplify right side
    63,602.04x = 3,595,813,496.32
  5. Step 5: Solve for x
    x = 3,595,813,496.32/63,602.04
  6. Step 6: Final answer
    x = 56,536.13

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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.