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Finding the Fourth Proportional to 9,885.58, 14,811.96 and 6,957.74

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Solution

The fourth proportional to 9,885.58, 14,811.96 and 6,957.74 is: 10,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.58 : 14,811.96 = 6,957.74 : x
  2. Step 2: Convert to fraction form
    9,885.58/14,811.96 = 6,957.74/x
  3. Step 3: Cross multiply
    9,885.58x = 14,811.96 × 6,957.74
  4. Step 4: Simplify right side
    9,885.58x = 103,057,692.51
  5. Step 5: Solve for x
    x = 103,057,692.51/9,885.58
  6. Step 6: Final answer
    x = 10,425.05

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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.