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Finding the Fourth Proportional to 51,266.70, 70,643.07 and 37,816.65

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Solution

The fourth proportional to 51,266.70, 70,643.07 and 37,816.65 is: 52,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,266.70 : 70,643.07 = 37,816.65 : x
  2. Step 2: Convert to fraction form
    51,266.70/70,643.07 = 37,816.65/x
  3. Step 3: Cross multiply
    51,266.70x = 70,643.07 × 37,816.65
  4. Step 4: Simplify right side
    51,266.70x = 2,671,484,253.12
  5. Step 5: Solve for x
    x = 2,671,484,253.12/51,266.70
  6. Step 6: Final answer
    x = 52,109.54

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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.