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Finding the Fourth Proportional to 9,260.64, 12,779.64 and 5,068.92

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Solution

The fourth proportional to 9,260.64, 12,779.64 and 5,068.92 is: 6,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.64 : 12,779.64 = 5,068.92 : x
  2. Step 2: Convert to fraction form
    9,260.64/12,779.64 = 5,068.92/x
  3. Step 3: Cross multiply
    9,260.64x = 12,779.64 × 5,068.92
  4. Step 4: Simplify right side
    9,260.64x = 64,778,972.79
  5. Step 5: Solve for x
    x = 64,778,972.79/9,260.64
  6. Step 6: Final answer
    x = 6,995.09

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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.