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Finding the Fourth Proportional to 45,792.84, 68,699.72 and 17,712.99

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Solution

The fourth proportional to 45,792.84, 68,699.72 and 17,712.99 is: 26,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792.84 : 68,699.72 = 17,712.99 : x
  2. Step 2: Convert to fraction form
    45,792.84/68,699.72 = 17,712.99/x
  3. Step 3: Cross multiply
    45,792.84x = 68,699.72 × 17,712.99
  4. Step 4: Simplify right side
    45,792.84x = 1,216,877,364.80
  5. Step 5: Solve for x
    x = 1,216,877,364.80/45,792.84
  6. Step 6: Final answer
    x = 26,573.53

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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.