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Finding the Fourth Proportional to 23,361.68, 35,042.88 and 7,779.32

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Solution

The fourth proportional to 23,361.68, 35,042.88 and 7,779.32 is: 11,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.68 : 35,042.88 = 7,779.32 : x
  2. Step 2: Convert to fraction form
    23,361.68/35,042.88 = 7,779.32/x
  3. Step 3: Cross multiply
    23,361.68x = 35,042.88 × 7,779.32
  4. Step 4: Simplify right side
    23,361.68x = 272,609,777.24
  5. Step 5: Solve for x
    x = 272,609,777.24/23,361.68
  6. Step 6: Final answer
    x = 11,669.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.