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Finding the Fourth Proportional to 62,280.40, 93,420.60 and 44,784.40

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Solution

The fourth proportional to 62,280.40, 93,420.60 and 44,784.40 is: 67,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280.40 : 93,420.60 = 44,784.40 : x
  2. Step 2: Convert to fraction form
    62,280.40/93,420.60 = 44,784.40/x
  3. Step 3: Cross multiply
    62,280.40x = 93,420.60 × 44,784.40
  4. Step 4: Simplify right side
    62,280.40x = 4,183,785,518.64
  5. Step 5: Solve for x
    x = 4,183,785,518.64/62,280.40
  6. Step 6: Final answer
    x = 67,176.60

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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.