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Finding the Fourth Proportional to 51,710.70, 77,566.05 and 38,588.70

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Solution

The fourth proportional to 51,710.70, 77,566.05 and 38,588.70 is: 57,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.70 : 77,566.05 = 38,588.70 : x
  2. Step 2: Convert to fraction form
    51,710.70/77,566.05 = 38,588.70/x
  3. Step 3: Cross multiply
    51,710.70x = 77,566.05 × 38,588.70
  4. Step 4: Simplify right side
    51,710.70x = 2,993,173,033.64
  5. Step 5: Solve for x
    x = 2,993,173,033.64/51,710.70
  6. Step 6: Final answer
    x = 57,883.05

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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.