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Finding the Fourth Proportional to 7,544.99, 10,412.00 and 4,187.83

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Solution

The fourth proportional to 7,544.99, 10,412.00 and 4,187.83 is: 5,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.99 : 10,412.00 = 4,187.83 : x
  2. Step 2: Convert to fraction form
    7,544.99/10,412.00 = 4,187.83/x
  3. Step 3: Cross multiply
    7,544.99x = 10,412.00 × 4,187.83
  4. Step 4: Simplify right side
    7,544.99x = 43,603,674.22
  5. Step 5: Solve for x
    x = 43,603,674.22/7,544.99
  6. Step 6: Final answer
    x = 5,779.16

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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.