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Finding the Fourth Proportional to 64,526.64, 89,041.92 and 36,226.92

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Solution

The fourth proportional to 64,526.64, 89,041.92 and 36,226.92 is: 49,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,526.64 : 89,041.92 = 36,226.92 : x
  2. Step 2: Convert to fraction form
    64,526.64/89,041.92 = 36,226.92/x
  3. Step 3: Cross multiply
    64,526.64x = 89,041.92 × 36,226.92
  4. Step 4: Simplify right side
    64,526.64x = 3,225,714,512.49
  5. Step 5: Solve for x
    x = 3,225,714,512.49/64,526.64
  6. Step 6: Final answer
    x = 49,990.43

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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.