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Finding the Fourth Proportional to 9,916.55, 14,879.94 and 6,587.11

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Solution

The fourth proportional to 9,916.55, 14,879.94 and 6,587.11 is: 9,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.55 : 14,879.94 = 6,587.11 : x
  2. Step 2: Convert to fraction form
    9,916.55/14,879.94 = 6,587.11/x
  3. Step 3: Cross multiply
    9,916.55x = 14,879.94 × 6,587.11
  4. Step 4: Simplify right side
    9,916.55x = 98,015,767.35
  5. Step 5: Solve for x
    x = 98,015,767.35/9,916.55
  6. Step 6: Final answer
    x = 9,884.06

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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.