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Finding the Fourth Proportional to 25,409.63, 35,065.22 and 14,079.17

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Solution

The fourth proportional to 25,409.63, 35,065.22 and 14,079.17 is: 19,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.63 : 35,065.22 = 14,079.17 : x
  2. Step 2: Convert to fraction form
    25,409.63/35,065.22 = 14,079.17/x
  3. Step 3: Cross multiply
    25,409.63x = 35,065.22 × 14,079.17
  4. Step 4: Simplify right side
    25,409.63x = 493,688,947.75
  5. Step 5: Solve for x
    x = 493,688,947.75/25,409.63
  6. Step 6: Final answer
    x = 19,429.21

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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.