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Finding the Fourth Proportional to 62,318.16, 93,477.24 and 20,765.16

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Solution

The fourth proportional to 62,318.16, 93,477.24 and 20,765.16 is: 31,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,318.16 : 93,477.24 = 20,765.16 : x
  2. Step 2: Convert to fraction form
    62,318.16/93,477.24 = 20,765.16/x
  3. Step 3: Cross multiply
    62,318.16x = 93,477.24 × 20,765.16
  4. Step 4: Simplify right side
    62,318.16x = 1,941,069,844.96
  5. Step 5: Solve for x
    x = 1,941,069,844.96/62,318.16
  6. Step 6: Final answer
    x = 31,147.74

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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.