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Finding the Fourth Proportional to 60,307.76, 83,211.74 and 36,429.82

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Solution

The fourth proportional to 60,307.76, 83,211.74 and 36,429.82 is: 50,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.76 : 83,211.74 = 36,429.82 : x
  2. Step 2: Convert to fraction form
    60,307.76/83,211.74 = 36,429.82/x
  3. Step 3: Cross multiply
    60,307.76x = 83,211.74 × 36,429.82
  4. Step 4: Simplify right side
    60,307.76x = 3,031,388,710.09
  5. Step 5: Solve for x
    x = 3,031,388,710.09/60,307.76
  6. Step 6: Final answer
    x = 50,265.32

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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.