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Finding the Fourth Proportional to 64,873.62, 89,527.14 and 35,802.99

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Solution

The fourth proportional to 64,873.62, 89,527.14 and 35,802.99 is: 49,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.62 : 89,527.14 = 35,802.99 : x
  2. Step 2: Convert to fraction form
    64,873.62/89,527.14 = 35,802.99/x
  3. Step 3: Cross multiply
    64,873.62x = 89,527.14 × 35,802.99
  4. Step 4: Simplify right side
    64,873.62x = 3,205,339,298.15
  5. Step 5: Solve for x
    x = 3,205,339,298.15/64,873.62
  6. Step 6: Final answer
    x = 49,408.98

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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.