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Finding the Fourth Proportional to 16,985.51, 25,449.92 and 7,483.67

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Solution

The fourth proportional to 16,985.51, 25,449.92 and 7,483.67 is: 11,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.51 : 25,449.92 = 7,483.67 : x
  2. Step 2: Convert to fraction form
    16,985.51/25,449.92 = 7,483.67/x
  3. Step 3: Cross multiply
    16,985.51x = 25,449.92 × 7,483.67
  4. Step 4: Simplify right side
    16,985.51x = 190,458,638.14
  5. Step 5: Solve for x
    x = 190,458,638.14/16,985.51
  6. Step 6: Final answer
    x = 11,213.01

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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.