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Finding the Fourth Proportional to 9,482.60, 14,151.80 and 8,431.68

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Solution

The fourth proportional to 9,482.60, 14,151.80 and 8,431.68 is: 12,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.60 : 14,151.80 = 8,431.68 : x
  2. Step 2: Convert to fraction form
    9,482.60/14,151.80 = 8,431.68/x
  3. Step 3: Cross multiply
    9,482.60x = 14,151.80 × 8,431.68
  4. Step 4: Simplify right side
    9,482.60x = 119,323,406.87
  5. Step 5: Solve for x
    x = 119,323,406.87/9,482.60
  6. Step 6: Final answer
    x = 12,583.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.