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Finding the Fourth Proportional to 64,874.58, 89,527.05 and 35,066.58

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Solution

The fourth proportional to 64,874.58, 89,527.05 and 35,066.58 is: 48,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.58 : 89,527.05 = 35,066.58 : x
  2. Step 2: Convert to fraction form
    64,874.58/89,527.05 = 35,066.58/x
  3. Step 3: Cross multiply
    64,874.58x = 89,527.05 × 35,066.58
  4. Step 4: Simplify right side
    64,874.58x = 3,139,407,460.99
  5. Step 5: Solve for x
    x = 3,139,407,460.99/64,874.58
  6. Step 6: Final answer
    x = 48,391.95

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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.