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Finding the Fourth Proportional to 7,889.93, 10,888.64 and 4,534.08

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Solution

The fourth proportional to 7,889.93, 10,888.64 and 4,534.08 is: 6,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.93 : 10,888.64 = 4,534.08 : x
  2. Step 2: Convert to fraction form
    7,889.93/10,888.64 = 4,534.08/x
  3. Step 3: Cross multiply
    7,889.93x = 10,888.64 × 4,534.08
  4. Step 4: Simplify right side
    7,889.93x = 49,369,975.35
  5. Step 5: Solve for x
    x = 49,369,975.35/7,889.93
  6. Step 6: Final answer
    x = 6,257.34

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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.