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Finding the Fourth Proportional to 37,901, 52,303.38 and 21,133.64

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Solution

The fourth proportional to 37,901, 52,303.38 and 21,133.64 is: 29,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,901 : 52,303.38 = 21,133.64 : x
  2. Step 2: Convert to fraction form
    37,901/52,303.38 = 21,133.64/x
  3. Step 3: Cross multiply
    37,901x = 52,303.38 × 21,133.64
  4. Step 4: Simplify right side
    37,901x = 1,105,360,803.70
  5. Step 5: Solve for x
    x = 1,105,360,803.70/37,901
  6. Step 6: Final answer
    x = 29,164.42

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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.