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Finding the Fourth Proportional to 64,079.84, 88,437.64 and 53,305.68

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Solution

The fourth proportional to 64,079.84, 88,437.64 and 53,305.68 is: 73,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,079.84 : 88,437.64 = 53,305.68 : x
  2. Step 2: Convert to fraction form
    64,079.84/88,437.64 = 53,305.68/x
  3. Step 3: Cross multiply
    64,079.84x = 88,437.64 × 53,305.68
  4. Step 4: Simplify right side
    64,079.84x = 4,714,228,537.80
  5. Step 5: Solve for x
    x = 4,714,228,537.80/64,079.84
  6. Step 6: Final answer
    x = 73,568.04

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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.