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Finding the Fourth Proportional to 9,670.94, 14,507.42 and 4,124.87

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Solution

The fourth proportional to 9,670.94, 14,507.42 and 4,124.87 is: 6,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.94 : 14,507.42 = 4,124.87 : x
  2. Step 2: Convert to fraction form
    9,670.94/14,507.42 = 4,124.87/x
  3. Step 3: Cross multiply
    9,670.94x = 14,507.42 × 4,124.87
  4. Step 4: Simplify right side
    9,670.94x = 59,841,221.54
  5. Step 5: Solve for x
    x = 59,841,221.54/9,670.94
  6. Step 6: Final answer
    x = 6,187.74

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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.