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Finding the Fourth Proportional to 14,659.47, 21,987.08 and 4,799.14

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Solution

The fourth proportional to 14,659.47, 21,987.08 and 4,799.14 is: 7,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.47 : 21,987.08 = 4,799.14 : x
  2. Step 2: Convert to fraction form
    14,659.47/21,987.08 = 4,799.14/x
  3. Step 3: Cross multiply
    14,659.47x = 21,987.08 × 4,799.14
  4. Step 4: Simplify right side
    14,659.47x = 105,519,075.11
  5. Step 5: Solve for x
    x = 105,519,075.11/14,659.47
  6. Step 6: Final answer
    x = 7,198.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.