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Finding the Fourth Proportional to 60,599.99, 90,869.56 and 35,307.69

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Solution

The fourth proportional to 60,599.99, 90,869.56 and 35,307.69 is: 52,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,599.99 : 90,869.56 = 35,307.69 : x
  2. Step 2: Convert to fraction form
    60,599.99/90,869.56 = 35,307.69/x
  3. Step 3: Cross multiply
    60,599.99x = 90,869.56 × 35,307.69
  4. Step 4: Simplify right side
    60,599.99x = 3,208,393,800.57
  5. Step 5: Solve for x
    x = 3,208,393,800.57/60,599.99
  6. Step 6: Final answer
    x = 52,943.81

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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.