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Finding the Fourth Proportional to 6,888.03, 9,488.12 and 5,558.01

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Solution

The fourth proportional to 6,888.03, 9,488.12 and 5,558.01 is: 7,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.03 : 9,488.12 = 5,558.01 : x
  2. Step 2: Convert to fraction form
    6,888.03/9,488.12 = 5,558.01/x
  3. Step 3: Cross multiply
    6,888.03x = 9,488.12 × 5,558.01
  4. Step 4: Simplify right side
    6,888.03x = 52,735,038.05
  5. Step 5: Solve for x
    x = 52,735,038.05/6,888.03
  6. Step 6: Final answer
    x = 7,656.04

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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.