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Finding the Fourth Proportional to 25,980.88, 35,853.84 and 14,803.60

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Solution

The fourth proportional to 25,980.88, 35,853.84 and 14,803.60 is: 20,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.88 : 35,853.84 = 14,803.60 : x
  2. Step 2: Convert to fraction form
    25,980.88/35,853.84 = 14,803.60/x
  3. Step 3: Cross multiply
    25,980.88x = 35,853.84 × 14,803.60
  4. Step 4: Simplify right side
    25,980.88x = 530,765,905.82
  5. Step 5: Solve for x
    x = 530,765,905.82/25,980.88
  6. Step 6: Final answer
    x = 20,429.10

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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.