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Finding the Fourth Proportional to 60,307.80, 90,461.70 and 25,243.80

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Solution

The fourth proportional to 60,307.80, 90,461.70 and 25,243.80 is: 37,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.80 : 90,461.70 = 25,243.80 : x
  2. Step 2: Convert to fraction form
    60,307.80/90,461.70 = 25,243.80/x
  3. Step 3: Cross multiply
    60,307.80x = 90,461.70 × 25,243.80
  4. Step 4: Simplify right side
    60,307.80x = 2,283,597,062.46
  5. Step 5: Solve for x
    x = 2,283,597,062.46/60,307.80
  6. Step 6: Final answer
    x = 37,865.70

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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.