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Finding the Fourth Proportional to 14,125.25, 19,492.83 and 7,751.88

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Solution

The fourth proportional to 14,125.25, 19,492.83 and 7,751.88 is: 10,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.25 : 19,492.83 = 7,751.88 : x
  2. Step 2: Convert to fraction form
    14,125.25/19,492.83 = 7,751.88/x
  3. Step 3: Cross multiply
    14,125.25x = 19,492.83 × 7,751.88
  4. Step 4: Simplify right side
    14,125.25x = 151,106,079.02
  5. Step 5: Solve for x
    x = 151,106,079.02/14,125.25
  6. Step 6: Final answer
    x = 10,697.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.