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Finding the Fourth Proportional to 82,392.32, 113,619.53 and 62,023.16

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Solution

The fourth proportional to 82,392.32, 113,619.53 and 62,023.16 is: 85,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392.32 : 113,619.53 = 62,023.16 : x
  2. Step 2: Convert to fraction form
    82,392.32/113,619.53 = 62,023.16/x
  3. Step 3: Cross multiply
    82,392.32x = 113,619.53 × 62,023.16
  4. Step 4: Simplify right side
    82,392.32x = 7,047,041,410.10
  5. Step 5: Solve for x
    x = 7,047,041,410.10/82,392.32
  6. Step 6: Final answer
    x = 85,530.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.