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Finding the Fourth Proportional to 35,858.22, 53,787.60 and 12,484.62

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Solution

The fourth proportional to 35,858.22, 53,787.60 and 12,484.62 is: 18,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.22 : 53,787.60 = 12,484.62 : x
  2. Step 2: Convert to fraction form
    35,858.22/53,787.60 = 12,484.62/x
  3. Step 3: Cross multiply
    35,858.22x = 53,787.60 × 12,484.62
  4. Step 4: Simplify right side
    35,858.22x = 671,517,746.71
  5. Step 5: Solve for x
    x = 671,517,746.71/35,858.22
  6. Step 6: Final answer
    x = 18,727.02

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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.