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Finding the Fourth Proportional to 40,646.51, 60,963.62 and 11,066.68

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Solution

The fourth proportional to 40,646.51, 60,963.62 and 11,066.68 is: 16,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,646.51 : 60,963.62 = 11,066.68 : x
  2. Step 2: Convert to fraction form
    40,646.51/60,963.62 = 11,066.68/x
  3. Step 3: Cross multiply
    40,646.51x = 60,963.62 × 11,066.68
  4. Step 4: Simplify right side
    40,646.51x = 674,664,957.30
  5. Step 5: Solve for x
    x = 674,664,957.30/40,646.51
  6. Step 6: Final answer
    x = 16,598.35

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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.