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Finding the Fourth Proportional to 82,608.40, 114,000.40 and 46,797.64

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Solution

The fourth proportional to 82,608.40, 114,000.40 and 46,797.64 is: 64,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,608.40 : 114,000.40 = 46,797.64 : x
  2. Step 2: Convert to fraction form
    82,608.40/114,000.40 = 46,797.64/x
  3. Step 3: Cross multiply
    82,608.40x = 114,000.40 × 46,797.64
  4. Step 4: Simplify right side
    82,608.40x = 5,334,949,679.06
  5. Step 5: Solve for x
    x = 5,334,949,679.06/82,608.40
  6. Step 6: Final answer
    x = 64,581.20

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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.