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Finding the Fourth Proportional to 8,946.93, 13,421.11 and 2,373.12

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Solution

The fourth proportional to 8,946.93, 13,421.11 and 2,373.12 is: 3,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.93 : 13,421.11 = 2,373.12 : x
  2. Step 2: Convert to fraction form
    8,946.93/13,421.11 = 2,373.12/x
  3. Step 3: Cross multiply
    8,946.93x = 13,421.11 × 2,373.12
  4. Step 4: Simplify right side
    8,946.93x = 31,849,892.70
  5. Step 5: Solve for x
    x = 31,849,892.70/8,946.93
  6. Step 6: Final answer
    x = 3,559.87

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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.