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Finding the Fourth Proportional to 8,548.34, 11,779.56 and 7,204.01

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Solution

The fourth proportional to 8,548.34, 11,779.56 and 7,204.01 is: 9,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.34 : 11,779.56 = 7,204.01 : x
  2. Step 2: Convert to fraction form
    8,548.34/11,779.56 = 7,204.01/x
  3. Step 3: Cross multiply
    8,548.34x = 11,779.56 × 7,204.01
  4. Step 4: Simplify right side
    8,548.34x = 84,860,009.14
  5. Step 5: Solve for x
    x = 84,860,009.14/8,548.34
  6. Step 6: Final answer
    x = 9,927.08

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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.