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Finding the Fourth Proportional to 12,025.48, 16,564.32 and 8,482.48

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Solution

The fourth proportional to 12,025.48, 16,564.32 and 8,482.48 is: 11,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.48 : 16,564.32 = 8,482.48 : x
  2. Step 2: Convert to fraction form
    12,025.48/16,564.32 = 8,482.48/x
  3. Step 3: Cross multiply
    12,025.48x = 16,564.32 × 8,482.48
  4. Step 4: Simplify right side
    12,025.48x = 140,506,513.11
  5. Step 5: Solve for x
    x = 140,506,513.11/12,025.48
  6. Step 6: Final answer
    x = 11,684.07

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Double scale
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Similar ratio
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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.