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Finding the Fourth Proportional to 52,683.75, 79,009.22 and 17,615.21

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Solution

The fourth proportional to 52,683.75, 79,009.22 and 17,615.21 is: 26,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.75 : 79,009.22 = 17,615.21 : x
  2. Step 2: Convert to fraction form
    52,683.75/79,009.22 = 17,615.21/x
  3. Step 3: Cross multiply
    52,683.75x = 79,009.22 × 17,615.21
  4. Step 4: Simplify right side
    52,683.75x = 1,391,763,607.19
  5. Step 5: Solve for x
    x = 1,391,763,607.19/52,683.75
  6. Step 6: Final answer
    x = 26,417.32

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1.5x scale

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.