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Finding the Fourth Proportional to 6,308.98, 8,695.92 and 5,779.54

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Solution

The fourth proportional to 6,308.98, 8,695.92 and 5,779.54 is: 7,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.98 : 8,695.92 = 5,779.54 : x
  2. Step 2: Convert to fraction form
    6,308.98/8,695.92 = 5,779.54/x
  3. Step 3: Cross multiply
    6,308.98x = 8,695.92 × 5,779.54
  4. Step 4: Simplify right side
    6,308.98x = 50,258,417.48
  5. Step 5: Solve for x
    x = 50,258,417.48/6,308.98
  6. Step 6: Final answer
    x = 7,966.17

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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.