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Finding the Fourth Proportional to 61,857.02, 92,784.71 and 15,110.30

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Solution

The fourth proportional to 61,857.02, 92,784.71 and 15,110.30 is: 22,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.02 : 92,784.71 = 15,110.30 : x
  2. Step 2: Convert to fraction form
    61,857.02/92,784.71 = 15,110.30/x
  3. Step 3: Cross multiply
    61,857.02x = 92,784.71 × 15,110.30
  4. Step 4: Simplify right side
    61,857.02x = 1,402,004,264.04
  5. Step 5: Solve for x
    x = 1,402,004,264.04/61,857.02
  6. Step 6: Final answer
    x = 22,665.24

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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.