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Finding the Fourth Proportional to 61,228.30, 91,837.05 and 16,851.10

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Solution

The fourth proportional to 61,228.30, 91,837.05 and 16,851.10 is: 25,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.30 : 91,837.05 = 16,851.10 : x
  2. Step 2: Convert to fraction form
    61,228.30/91,837.05 = 16,851.10/x
  3. Step 3: Cross multiply
    61,228.30x = 91,837.05 × 16,851.10
  4. Step 4: Simplify right side
    61,228.30x = 1,547,555,313.26
  5. Step 5: Solve for x
    x = 1,547,555,313.26/61,228.30
  6. Step 6: Final answer
    x = 25,275.16

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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.