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Finding the Fourth Proportional to 6,430.96, 8,868.99 and 4,041.19

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Solution

The fourth proportional to 6,430.96, 8,868.99 and 4,041.19 is: 5,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.96 : 8,868.99 = 4,041.19 : x
  2. Step 2: Convert to fraction form
    6,430.96/8,868.99 = 4,041.19/x
  3. Step 3: Cross multiply
    6,430.96x = 8,868.99 × 4,041.19
  4. Step 4: Simplify right side
    6,430.96x = 35,841,273.70
  5. Step 5: Solve for x
    x = 35,841,273.70/6,430.96
  6. Step 6: Final answer
    x = 5,573.24

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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.