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Finding the Fourth Proportional to 25,684.70, 35,446.50 and 14,355.01

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Solution

The fourth proportional to 25,684.70, 35,446.50 and 14,355.01 is: 19,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,684.70 : 35,446.50 = 14,355.01 : x
  2. Step 2: Convert to fraction form
    25,684.70/35,446.50 = 14,355.01/x
  3. Step 3: Cross multiply
    25,684.70x = 35,446.50 × 14,355.01
  4. Step 4: Simplify right side
    25,684.70x = 508,834,861.97
  5. Step 5: Solve for x
    x = 508,834,861.97/25,684.70
  6. Step 6: Final answer
    x = 19,810.82

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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.