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Finding the Fourth Proportional to 62,425.60, 93,638.40 and 41,430.40

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Solution

The fourth proportional to 62,425.60, 93,638.40 and 41,430.40 is: 62,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,425.60 : 93,638.40 = 41,430.40 : x
  2. Step 2: Convert to fraction form
    62,425.60/93,638.40 = 41,430.40/x
  3. Step 3: Cross multiply
    62,425.60x = 93,638.40 × 41,430.40
  4. Step 4: Simplify right side
    62,425.60x = 3,879,476,367.36
  5. Step 5: Solve for x
    x = 3,879,476,367.36/62,425.60
  6. Step 6: Final answer
    x = 62,145.60

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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.