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Finding the Fourth Proportional to 9,891.54, 14,840.43 and 4,349.55

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Solution

The fourth proportional to 9,891.54, 14,840.43 and 4,349.55 is: 6,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.54 : 14,840.43 = 4,349.55 : x
  2. Step 2: Convert to fraction form
    9,891.54/14,840.43 = 4,349.55/x
  3. Step 3: Cross multiply
    9,891.54x = 14,840.43 × 4,349.55
  4. Step 4: Simplify right side
    9,891.54x = 64,549,192.31
  5. Step 5: Solve for x
    x = 64,549,192.31/9,891.54
  6. Step 6: Final answer
    x = 6,525.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.