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Finding the Fourth Proportional to 7,390.93, 10,199.69 and 4,407.01

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Solution

The fourth proportional to 7,390.93, 10,199.69 and 4,407.01 is: 6,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.93 : 10,199.69 = 4,407.01 : x
  2. Step 2: Convert to fraction form
    7,390.93/10,199.69 = 4,407.01/x
  3. Step 3: Cross multiply
    7,390.93x = 10,199.69 × 4,407.01
  4. Step 4: Simplify right side
    7,390.93x = 44,950,135.83
  5. Step 5: Solve for x
    x = 44,950,135.83/7,390.93
  6. Step 6: Final answer
    x = 6,081.80

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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.