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Finding the Fourth Proportional to 6,312.01, 8,710.15 and 3,792.63

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Solution

The fourth proportional to 6,312.01, 8,710.15 and 3,792.63 is: 5,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.01 : 8,710.15 = 3,792.63 : x
  2. Step 2: Convert to fraction form
    6,312.01/8,710.15 = 3,792.63/x
  3. Step 3: Cross multiply
    6,312.01x = 8,710.15 × 3,792.63
  4. Step 4: Simplify right side
    6,312.01x = 33,034,376.19
  5. Step 5: Solve for x
    x = 33,034,376.19/6,312.01
  6. Step 6: Final answer
    x = 5,233.57

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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.