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Finding the Fourth Proportional to 60,397.40, 90,509.70 and 41,907.80

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Solution

The fourth proportional to 60,397.40, 90,509.70 and 41,907.80 is: 62,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,397.40 : 90,509.70 = 41,907.80 : x
  2. Step 2: Convert to fraction form
    60,397.40/90,509.70 = 41,907.80/x
  3. Step 3: Cross multiply
    60,397.40x = 90,509.70 × 41,907.80
  4. Step 4: Simplify right side
    60,397.40x = 3,793,062,405.66
  5. Step 5: Solve for x
    x = 3,793,062,405.66/60,397.40
  6. Step 6: Final answer
    x = 62,801.75

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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.