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Finding the Fourth Proportional to 34,689.84, 52,028.94 and 12,499.08

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Solution

The fourth proportional to 34,689.84, 52,028.94 and 12,499.08 is: 18,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.84 : 52,028.94 = 12,499.08 : x
  2. Step 2: Convert to fraction form
    34,689.84/52,028.94 = 12,499.08/x
  3. Step 3: Cross multiply
    34,689.84x = 52,028.94 × 12,499.08
  4. Step 4: Simplify right side
    34,689.84x = 650,313,883.38
  5. Step 5: Solve for x
    x = 650,313,883.38/34,689.84
  6. Step 6: Final answer
    x = 18,746.52

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1.5x scale

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.