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Finding the Fourth Proportional to 47,695.04, 65,773.68 and 28,571.68

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Solution

The fourth proportional to 47,695.04, 65,773.68 and 28,571.68 is: 39,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,695.04 : 65,773.68 = 28,571.68 : x
  2. Step 2: Convert to fraction form
    47,695.04/65,773.68 = 28,571.68/x
  3. Step 3: Cross multiply
    47,695.04x = 65,773.68 × 28,571.68
  4. Step 4: Simplify right side
    47,695.04x = 1,879,264,537.38
  5. Step 5: Solve for x
    x = 1,879,264,537.38/47,695.04
  6. Step 6: Final answer
    x = 39,401.68

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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.