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Finding the Fourth Proportional to 9,779.08, 13,492.56 and 5,801.08

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Solution

The fourth proportional to 9,779.08, 13,492.56 and 5,801.08 is: 8,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.08 : 13,492.56 = 5,801.08 : x
  2. Step 2: Convert to fraction form
    9,779.08/13,492.56 = 5,801.08/x
  3. Step 3: Cross multiply
    9,779.08x = 13,492.56 × 5,801.08
  4. Step 4: Simplify right side
    9,779.08x = 78,271,407.99
  5. Step 5: Solve for x
    x = 78,271,407.99/9,779.08
  6. Step 6: Final answer
    x = 8,003.97

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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.