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Finding the Fourth Proportional to 6,554.18, 9,811.93 and 4,328.93

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Solution

The fourth proportional to 6,554.18, 9,811.93 and 4,328.93 is: 6,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.18 : 9,811.93 = 4,328.93 : x
  2. Step 2: Convert to fraction form
    6,554.18/9,811.93 = 4,328.93/x
  3. Step 3: Cross multiply
    6,554.18x = 9,811.93 × 4,328.93
  4. Step 4: Simplify right side
    6,554.18x = 42,475,158.13
  5. Step 5: Solve for x
    x = 42,475,158.13/6,554.18
  6. Step 6: Final answer
    x = 6,480.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.