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Finding the Fourth Proportional to 65,295.02, 89,980.80 and 44,037.38

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Solution

The fourth proportional to 65,295.02, 89,980.80 and 44,037.38 is: 60,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,295.02 : 89,980.80 = 44,037.38 : x
  2. Step 2: Convert to fraction form
    65,295.02/89,980.80 = 44,037.38/x
  3. Step 3: Cross multiply
    65,295.02x = 89,980.80 × 44,037.38
  4. Step 4: Simplify right side
    65,295.02x = 3,962,518,682.30
  5. Step 5: Solve for x
    x = 3,962,518,682.30/65,295.02
  6. Step 6: Final answer
    x = 60,686.38

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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.