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Finding the Fourth Proportional to 65,698.44, 90,568.98 and 46,802.76

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Solution

The fourth proportional to 65,698.44, 90,568.98 and 46,802.76 is: 64,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698.44 : 90,568.98 = 46,802.76 : x
  2. Step 2: Convert to fraction form
    65,698.44/90,568.98 = 46,802.76/x
  3. Step 3: Cross multiply
    65,698.44x = 90,568.98 × 46,802.76
  4. Step 4: Simplify right side
    65,698.44x = 4,238,878,234.38
  5. Step 5: Solve for x
    x = 4,238,878,234.38/65,698.44
  6. Step 6: Final answer
    x = 64,520.23

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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.