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Finding the Fourth Proportional to 7,925.63, 10,935.54 and 4,738.32

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Solution

The fourth proportional to 7,925.63, 10,935.54 and 4,738.32 is: 6,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.63 : 10,935.54 = 4,738.32 : x
  2. Step 2: Convert to fraction form
    7,925.63/10,935.54 = 4,738.32/x
  3. Step 3: Cross multiply
    7,925.63x = 10,935.54 × 4,738.32
  4. Step 4: Simplify right side
    7,925.63x = 51,816,087.89
  5. Step 5: Solve for x
    x = 51,816,087.89/7,925.63
  6. Step 6: Final answer
    x = 6,537.79

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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.