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Finding the Fourth Proportional to 14,482.89, 19,996.07 and 9,765.45

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Solution

The fourth proportional to 14,482.89, 19,996.07 and 9,765.45 is: 13,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.89 : 19,996.07 = 9,765.45 : x
  2. Step 2: Convert to fraction form
    14,482.89/19,996.07 = 9,765.45/x
  3. Step 3: Cross multiply
    14,482.89x = 19,996.07 × 9,765.45
  4. Step 4: Simplify right side
    14,482.89x = 195,270,572.95
  5. Step 5: Solve for x
    x = 195,270,572.95/14,482.89
  6. Step 6: Final answer
    x = 13,482.85

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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.