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Finding the Fourth Proportional to 37,597.55, 51,881.18 and 21,678.93

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Solution

The fourth proportional to 37,597.55, 51,881.18 and 21,678.93 is: 29,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,597.55 : 51,881.18 = 21,678.93 : x
  2. Step 2: Convert to fraction form
    37,597.55/51,881.18 = 21,678.93/x
  3. Step 3: Cross multiply
    37,597.55x = 51,881.18 × 21,678.93
  4. Step 4: Simplify right side
    37,597.55x = 1,124,728,361.14
  5. Step 5: Solve for x
    x = 1,124,728,361.14/37,597.55
  6. Step 6: Final answer
    x = 29,914.94

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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.