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Finding the Fourth Proportional to 35,966.84, 53,959.37 and 12,592.67

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Solution

The fourth proportional to 35,966.84, 53,959.37 and 12,592.67 is: 18,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.84 : 53,959.37 = 12,592.67 : x
  2. Step 2: Convert to fraction form
    35,966.84/53,959.37 = 12,592.67/x
  3. Step 3: Cross multiply
    35,966.84x = 53,959.37 × 12,592.67
  4. Step 4: Simplify right side
    35,966.84x = 679,492,207.06
  5. Step 5: Solve for x
    x = 679,492,207.06/35,966.84
  6. Step 6: Final answer
    x = 18,892.19

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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.