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Finding the Fourth Proportional to 9,059.88, 12,502.44 and 4,971.63

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Solution

The fourth proportional to 9,059.88, 12,502.44 and 4,971.63 is: 6,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.88 : 12,502.44 = 4,971.63 : x
  2. Step 2: Convert to fraction form
    9,059.88/12,502.44 = 4,971.63/x
  3. Step 3: Cross multiply
    9,059.88x = 12,502.44 × 4,971.63
  4. Step 4: Simplify right side
    9,059.88x = 62,157,505.78
  5. Step 5: Solve for x
    x = 62,157,505.78/9,059.88
  6. Step 6: Final answer
    x = 6,860.74

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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.