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Finding the Fourth Proportional to 14,755.60, 20,369.64 and 10,566.16

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Solution

The fourth proportional to 14,755.60, 20,369.64 and 10,566.16 is: 14,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.60 : 20,369.64 = 10,566.16 : x
  2. Step 2: Convert to fraction form
    14,755.60/20,369.64 = 10,566.16/x
  3. Step 3: Cross multiply
    14,755.60x = 20,369.64 × 10,566.16
  4. Step 4: Simplify right side
    14,755.60x = 215,228,875.38
  5. Step 5: Solve for x
    x = 215,228,875.38/14,755.60
  6. Step 6: Final answer
    x = 14,586.25

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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.