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Finding the Fourth Proportional to 8,992.80, 13,465.44 and 7,035.84

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Solution

The fourth proportional to 8,992.80, 13,465.44 and 7,035.84 is: 10,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.80 : 13,465.44 = 7,035.84 : x
  2. Step 2: Convert to fraction form
    8,992.80/13,465.44 = 7,035.84/x
  3. Step 3: Cross multiply
    8,992.80x = 13,465.44 × 7,035.84
  4. Step 4: Simplify right side
    8,992.80x = 94,740,681.37
  5. Step 5: Solve for x
    x = 94,740,681.37/8,992.80
  6. Step 6: Final answer
    x = 10,535.17

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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.