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Finding the Fourth Proportional to 51,415.70, 77,123.55 and 23,713.70

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Solution

The fourth proportional to 51,415.70, 77,123.55 and 23,713.70 is: 35,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.70 : 77,123.55 = 23,713.70 : x
  2. Step 2: Convert to fraction form
    51,415.70/77,123.55 = 23,713.70/x
  3. Step 3: Cross multiply
    51,415.70x = 77,123.55 × 23,713.70
  4. Step 4: Simplify right side
    51,415.70x = 1,828,884,727.64
  5. Step 5: Solve for x
    x = 1,828,884,727.64/51,415.70
  6. Step 6: Final answer
    x = 35,570.55

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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.