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Finding the Fourth Proportional to 7,193.06, 9,925.86 and 4,048.64

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Solution

The fourth proportional to 7,193.06, 9,925.86 and 4,048.64 is: 5,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.06 : 9,925.86 = 4,048.64 : x
  2. Step 2: Convert to fraction form
    7,193.06/9,925.86 = 4,048.64/x
  3. Step 3: Cross multiply
    7,193.06x = 9,925.86 × 4,048.64
  4. Step 4: Simplify right side
    7,193.06x = 40,186,233.83
  5. Step 5: Solve for x
    x = 40,186,233.83/7,193.06
  6. Step 6: Final answer
    x = 5,586.81

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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.