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Finding the Fourth Proportional to 40,683.60, 61,051.32 and 17,310

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Solution

The fourth proportional to 40,683.60, 61,051.32 and 17,310 is: 25,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,683.60 : 61,051.32 = 17,310 : x
  2. Step 2: Convert to fraction form
    40,683.60/61,051.32 = 17,310/x
  3. Step 3: Cross multiply
    40,683.60x = 61,051.32 × 17,310
  4. Step 4: Simplify right side
    40,683.60x = 1,056,798,349.20
  5. Step 5: Solve for x
    x = 1,056,798,349.20/40,683.60
  6. Step 6: Final answer
    x = 25,976.03

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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.