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Finding the Fourth Proportional to 25,953.32, 35,813.43 and 14,619.20

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Solution

The fourth proportional to 25,953.32, 35,813.43 and 14,619.20 is: 20,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.32 : 35,813.43 = 14,619.20 : x
  2. Step 2: Convert to fraction form
    25,953.32/35,813.43 = 14,619.20/x
  3. Step 3: Cross multiply
    25,953.32x = 35,813.43 × 14,619.20
  4. Step 4: Simplify right side
    25,953.32x = 523,563,695.86
  5. Step 5: Solve for x
    x = 523,563,695.86/25,953.32
  6. Step 6: Final answer
    x = 20,173.28

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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.