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Finding the Fourth Proportional to 74,280.60, 111,435.30 and 37,344.60

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Solution

The fourth proportional to 74,280.60, 111,435.30 and 37,344.60 is: 56,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,280.60 : 111,435.30 = 37,344.60 : x
  2. Step 2: Convert to fraction form
    74,280.60/111,435.30 = 37,344.60/x
  3. Step 3: Cross multiply
    74,280.60x = 111,435.30 × 37,344.60
  4. Step 4: Simplify right side
    74,280.60x = 4,161,506,704.38
  5. Step 5: Solve for x
    x = 4,161,506,704.38/74,280.60
  6. Step 6: Final answer
    x = 56,024.14

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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.