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Finding the Fourth Proportional to 10,520.64, 14,517.93 and 5,804.64

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Solution

The fourth proportional to 10,520.64, 14,517.93 and 5,804.64 is: 8,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.64 : 14,517.93 = 5,804.64 : x
  2. Step 2: Convert to fraction form
    10,520.64/14,517.93 = 5,804.64/x
  3. Step 3: Cross multiply
    10,520.64x = 14,517.93 × 5,804.64
  4. Step 4: Simplify right side
    10,520.64x = 84,271,357.20
  5. Step 5: Solve for x
    x = 84,271,357.20/10,520.64
  6. Step 6: Final answer
    x = 8,010.10

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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.