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Finding the Fourth Proportional to 63,806.60, 95,602.98 and 45,055.51

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Solution

The fourth proportional to 63,806.60, 95,602.98 and 45,055.51 is: 67,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,806.60 : 95,602.98 = 45,055.51 : x
  2. Step 2: Convert to fraction form
    63,806.60/95,602.98 = 45,055.51/x
  3. Step 3: Cross multiply
    63,806.60x = 95,602.98 × 45,055.51
  4. Step 4: Simplify right side
    63,806.60x = 4,307,441,021.42
  5. Step 5: Solve for x
    x = 4,307,441,021.42/63,806.60
  6. Step 6: Final answer
    x = 67,507.77

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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.