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Finding the Fourth Proportional to 19,792.44, 29,689.03 and 9,256.63

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Solution

The fourth proportional to 19,792.44, 29,689.03 and 9,256.63 is: 13,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.44 : 29,689.03 = 9,256.63 : x
  2. Step 2: Convert to fraction form
    19,792.44/29,689.03 = 9,256.63/x
  3. Step 3: Cross multiply
    19,792.44x = 29,689.03 × 9,256.63
  4. Step 4: Simplify right side
    19,792.44x = 274,820,319.49
  5. Step 5: Solve for x
    x = 274,820,319.49/19,792.44
  6. Step 6: Final answer
    x = 13,885.12

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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.