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Finding the Fourth Proportional to 52,878.60, 79,297.32 and 26,565

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Solution

The fourth proportional to 52,878.60, 79,297.32 and 26,565 is: 39,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.60 : 79,297.32 = 26,565 : x
  2. Step 2: Convert to fraction form
    52,878.60/79,297.32 = 26,565/x
  3. Step 3: Cross multiply
    52,878.60x = 79,297.32 × 26,565
  4. Step 4: Simplify right side
    52,878.60x = 2,106,533,305.80
  5. Step 5: Solve for x
    x = 2,106,533,305.80/52,878.60
  6. Step 6: Final answer
    x = 39,837.16

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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.