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Finding the Fourth Proportional to 9,492.99, 14,239.08 and 2,918.90

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Solution

The fourth proportional to 9,492.99, 14,239.08 and 2,918.90 is: 4,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.99 : 14,239.08 = 2,918.90 : x
  2. Step 2: Convert to fraction form
    9,492.99/14,239.08 = 2,918.90/x
  3. Step 3: Cross multiply
    9,492.99x = 14,239.08 × 2,918.90
  4. Step 4: Simplify right side
    9,492.99x = 41,562,379.42
  5. Step 5: Solve for x
    x = 41,562,379.42/9,492.99
  6. Step 6: Final answer
    x = 4,378.22

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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.