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Finding the Fourth Proportional to 14,352.64, 19,809.98 and 9,054.70

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Solution

The fourth proportional to 14,352.64, 19,809.98 and 9,054.70 is: 12,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.64 : 19,809.98 = 9,054.70 : x
  2. Step 2: Convert to fraction form
    14,352.64/19,809.98 = 9,054.70/x
  3. Step 3: Cross multiply
    14,352.64x = 19,809.98 × 9,054.70
  4. Step 4: Simplify right side
    14,352.64x = 179,373,380.63
  5. Step 5: Solve for x
    x = 179,373,380.63/14,352.64
  6. Step 6: Final answer
    x = 12,497.59

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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.