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Finding the Fourth Proportional to 56,324.88, 84,071.70 and 49,683.60

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Solution

The fourth proportional to 56,324.88, 84,071.70 and 49,683.60 is: 74,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,324.88 : 84,071.70 = 49,683.60 : x
  2. Step 2: Convert to fraction form
    56,324.88/84,071.70 = 49,683.60/x
  3. Step 3: Cross multiply
    56,324.88x = 84,071.70 × 49,683.60
  4. Step 4: Simplify right side
    56,324.88x = 4,176,984,714.12
  5. Step 5: Solve for x
    x = 4,176,984,714.12/56,324.88
  6. Step 6: Final answer
    x = 74,158.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.