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Finding the Fourth Proportional to 8,363.34, 12,547.04 and 4,192.99

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Solution

The fourth proportional to 8,363.34, 12,547.04 and 4,192.99 is: 6,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.34 : 12,547.04 = 4,192.99 : x
  2. Step 2: Convert to fraction form
    8,363.34/12,547.04 = 4,192.99/x
  3. Step 3: Cross multiply
    8,363.34x = 12,547.04 × 4,192.99
  4. Step 4: Simplify right side
    8,363.34x = 52,609,613.25
  5. Step 5: Solve for x
    x = 52,609,613.25/8,363.34
  6. Step 6: Final answer
    x = 6,290.50

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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.