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Finding the Fourth Proportional to 10,557.64, 14,565.08 and 6,080.32

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Solution

The fourth proportional to 10,557.64, 14,565.08 and 6,080.32 is: 8,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.64 : 14,565.08 = 6,080.32 : x
  2. Step 2: Convert to fraction form
    10,557.64/14,565.08 = 6,080.32/x
  3. Step 3: Cross multiply
    10,557.64x = 14,565.08 × 6,080.32
  4. Step 4: Simplify right side
    10,557.64x = 88,560,347.23
  5. Step 5: Solve for x
    x = 88,560,347.23/10,557.64
  6. Step 6: Final answer
    x = 8,388.27

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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.