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Finding the Fourth Proportional to 25,213.33, 34,792.90 and 14,455.90

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Solution

The fourth proportional to 25,213.33, 34,792.90 and 14,455.90 is: 19,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.33 : 34,792.90 = 14,455.90 : x
  2. Step 2: Convert to fraction form
    25,213.33/34,792.90 = 14,455.90/x
  3. Step 3: Cross multiply
    25,213.33x = 34,792.90 × 14,455.90
  4. Step 4: Simplify right side
    25,213.33x = 502,962,683.11
  5. Step 5: Solve for x
    x = 502,962,683.11/25,213.33
  6. Step 6: Final answer
    x = 19,948.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.