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Finding the Fourth Proportional to 47,483.88, 65,540.70 and 29,568.30

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Solution

The fourth proportional to 47,483.88, 65,540.70 and 29,568.30 is: 40,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,483.88 : 65,540.70 = 29,568.30 : x
  2. Step 2: Convert to fraction form
    47,483.88/65,540.70 = 29,568.30/x
  3. Step 3: Cross multiply
    47,483.88x = 65,540.70 × 29,568.30
  4. Step 4: Simplify right side
    47,483.88x = 1,937,927,079.81
  5. Step 5: Solve for x
    x = 1,937,927,079.81/47,483.88
  6. Step 6: Final answer
    x = 40,812.32

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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.