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Finding the Fourth Proportional to 47,366.16, 65,368 and 28,240.86

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Solution

The fourth proportional to 47,366.16, 65,368 and 28,240.86 is: 38,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366.16 : 65,368 = 28,240.86 : x
  2. Step 2: Convert to fraction form
    47,366.16/65,368 = 28,240.86/x
  3. Step 3: Cross multiply
    47,366.16x = 65,368 × 28,240.86
  4. Step 4: Simplify right side
    47,366.16x = 1,846,048,536.48
  5. Step 5: Solve for x
    x = 1,846,048,536.48/47,366.16
  6. Step 6: Final answer
    x = 38,974.00

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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.