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Finding the Fourth Proportional to 14,799.80, 22,199.64 and 7,014.08

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Solution

The fourth proportional to 14,799.80, 22,199.64 and 7,014.08 is: 10,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.80 : 22,199.64 = 7,014.08 : x
  2. Step 2: Convert to fraction form
    14,799.80/22,199.64 = 7,014.08/x
  3. Step 3: Cross multiply
    14,799.80x = 22,199.64 × 7,014.08
  4. Step 4: Simplify right side
    14,799.80x = 155,710,050.93
  5. Step 5: Solve for x
    x = 155,710,050.93/14,799.80
  6. Step 6: Final answer
    x = 10,521.09

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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.