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Finding the Fourth Proportional to 25,343.64, 34,984.04 and 22,686.44

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Solution

The fourth proportional to 25,343.64, 34,984.04 and 22,686.44 is: 31,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.64 : 34,984.04 = 22,686.44 : x
  2. Step 2: Convert to fraction form
    25,343.64/34,984.04 = 22,686.44/x
  3. Step 3: Cross multiply
    25,343.64x = 34,984.04 × 22,686.44
  4. Step 4: Simplify right side
    25,343.64x = 793,663,036.07
  5. Step 5: Solve for x
    x = 793,663,036.07/25,343.64
  6. Step 6: Final answer
    x = 31,316.06

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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.