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Finding the Fourth Proportional to 9,375.40, 14,030.70 and 8,597.80

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Solution

The fourth proportional to 9,375.40, 14,030.70 and 8,597.80 is: 12,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.40 : 14,030.70 = 8,597.80 : x
  2. Step 2: Convert to fraction form
    9,375.40/14,030.70 = 8,597.80/x
  3. Step 3: Cross multiply
    9,375.40x = 14,030.70 × 8,597.80
  4. Step 4: Simplify right side
    9,375.40x = 120,633,152.46
  5. Step 5: Solve for x
    x = 120,633,152.46/9,375.40
  6. Step 6: Final answer
    x = 12,866.99

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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.