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Finding the Fourth Proportional to 64,798.95, 89,457.84 and 44,763.60

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Solution

The fourth proportional to 64,798.95, 89,457.84 and 44,763.60 is: 61,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,798.95 : 89,457.84 = 44,763.60 : x
  2. Step 2: Convert to fraction form
    64,798.95/89,457.84 = 44,763.60/x
  3. Step 3: Cross multiply
    64,798.95x = 89,457.84 × 44,763.60
  4. Step 4: Simplify right side
    64,798.95x = 4,004,454,966.62
  5. Step 5: Solve for x
    x = 4,004,454,966.62/64,798.95
  6. Step 6: Final answer
    x = 61,798.15

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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.