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Finding the Fourth Proportional to 12,788.03, 19,199.98 and 6,552.51

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Solution

The fourth proportional to 12,788.03, 19,199.98 and 6,552.51 is: 9,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.03 : 19,199.98 = 6,552.51 : x
  2. Step 2: Convert to fraction form
    12,788.03/19,199.98 = 6,552.51/x
  3. Step 3: Cross multiply
    12,788.03x = 19,199.98 × 6,552.51
  4. Step 4: Simplify right side
    12,788.03x = 125,808,141.03
  5. Step 5: Solve for x
    x = 125,808,141.03/12,788.03
  6. Step 6: Final answer
    x = 9,837.96

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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.