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Finding the Fourth Proportional to 6,191.51, 8,555.58 and 4,509.98

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Solution

The fourth proportional to 6,191.51, 8,555.58 and 4,509.98 is: 6,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.51 : 8,555.58 = 4,509.98 : x
  2. Step 2: Convert to fraction form
    6,191.51/8,555.58 = 4,509.98/x
  3. Step 3: Cross multiply
    6,191.51x = 8,555.58 × 4,509.98
  4. Step 4: Simplify right side
    6,191.51x = 38,585,494.69
  5. Step 5: Solve for x
    x = 38,585,494.69/6,191.51
  6. Step 6: Final answer
    x = 6,232.00

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Double scale
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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.