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Finding the Fourth Proportional to 61,660.59, 92,490.93 and 14,913.51

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Solution

The fourth proportional to 61,660.59, 92,490.93 and 14,913.51 is: 22,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.59 : 92,490.93 = 14,913.51 : x
  2. Step 2: Convert to fraction form
    61,660.59/92,490.93 = 14,913.51/x
  3. Step 3: Cross multiply
    61,660.59x = 92,490.93 × 14,913.51
  4. Step 4: Simplify right side
    61,660.59x = 1,379,364,409.46
  5. Step 5: Solve for x
    x = 1,379,364,409.46/61,660.59
  6. Step 6: Final answer
    x = 22,370.28

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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.