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Finding the Fourth Proportional to 46,655.40, 69,983.10 and 44,128.20

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Solution

The fourth proportional to 46,655.40, 69,983.10 and 44,128.20 is: 66,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,655.40 : 69,983.10 = 44,128.20 : x
  2. Step 2: Convert to fraction form
    46,655.40/69,983.10 = 44,128.20/x
  3. Step 3: Cross multiply
    46,655.40x = 69,983.10 × 44,128.20
  4. Step 4: Simplify right side
    46,655.40x = 3,088,228,233.42
  5. Step 5: Solve for x
    x = 3,088,228,233.42/46,655.40
  6. Step 6: Final answer
    x = 66,192.30

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Similar ratio
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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.