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Finding the Fourth Proportional to 8,544.99, 12,780.45 and 5,026.62

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Solution

The fourth proportional to 8,544.99, 12,780.45 and 5,026.62 is: 7,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.99 : 12,780.45 = 5,026.62 : x
  2. Step 2: Convert to fraction form
    8,544.99/12,780.45 = 5,026.62/x
  3. Step 3: Cross multiply
    8,544.99x = 12,780.45 × 5,026.62
  4. Step 4: Simplify right side
    8,544.99x = 64,242,465.58
  5. Step 5: Solve for x
    x = 64,242,465.58/8,544.99
  6. Step 6: Final answer
    x = 7,518.14

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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.