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Finding the Fourth Proportional to 10,480.03, 15,713.96 and 4,234.93

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Solution

The fourth proportional to 10,480.03, 15,713.96 and 4,234.93 is: 6,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.03 : 15,713.96 = 4,234.93 : x
  2. Step 2: Convert to fraction form
    10,480.03/15,713.96 = 4,234.93/x
  3. Step 3: Cross multiply
    10,480.03x = 15,713.96 × 4,234.93
  4. Step 4: Simplify right side
    10,480.03x = 66,547,460.16
  5. Step 5: Solve for x
    x = 66,547,460.16/10,480.03
  6. Step 6: Final answer
    x = 6,349.93

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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.