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Finding the Fourth Proportional to 10,850.66, 14,973.05 and 6,312.63

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Solution

The fourth proportional to 10,850.66, 14,973.05 and 6,312.63 is: 8,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.66 : 14,973.05 = 6,312.63 : x
  2. Step 2: Convert to fraction form
    10,850.66/14,973.05 = 6,312.63/x
  3. Step 3: Cross multiply
    10,850.66x = 14,973.05 × 6,312.63
  4. Step 4: Simplify right side
    10,850.66x = 94,519,396.55
  5. Step 5: Solve for x
    x = 94,519,396.55/10,850.66
  6. Step 6: Final answer
    x = 8,710.94

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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.