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Finding the Fourth Proportional to 38,597.64, 57,888.34 and 10,889.16

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Solution

The fourth proportional to 38,597.64, 57,888.34 and 10,889.16 is: 16,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597.64 : 57,888.34 = 10,889.16 : x
  2. Step 2: Convert to fraction form
    38,597.64/57,888.34 = 10,889.16/x
  3. Step 3: Cross multiply
    38,597.64x = 57,888.34 × 10,889.16
  4. Step 4: Simplify right side
    38,597.64x = 630,355,152.09
  5. Step 5: Solve for x
    x = 630,355,152.09/38,597.64
  6. Step 6: Final answer
    x = 16,331.44

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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.