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Finding the Fourth Proportional to 62,420.40, 93,630.60 and 48,423.60

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Solution

The fourth proportional to 62,420.40, 93,630.60 and 48,423.60 is: 72,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.40 : 93,630.60 = 48,423.60 : x
  2. Step 2: Convert to fraction form
    62,420.40/93,630.60 = 48,423.60/x
  3. Step 3: Cross multiply
    62,420.40x = 93,630.60 × 48,423.60
  4. Step 4: Simplify right side
    62,420.40x = 4,533,930,722.16
  5. Step 5: Solve for x
    x = 4,533,930,722.16/62,420.40
  6. Step 6: Final answer
    x = 72,635.40

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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.