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Finding the Fourth Proportional to 64,687.04, 89,238.62 and 46,753.64

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Solution

The fourth proportional to 64,687.04, 89,238.62 and 46,753.64 is: 64,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.04 : 89,238.62 = 46,753.64 : x
  2. Step 2: Convert to fraction form
    64,687.04/89,238.62 = 46,753.64/x
  3. Step 3: Cross multiply
    64,687.04x = 89,238.62 × 46,753.64
  4. Step 4: Simplify right side
    64,687.04x = 4,172,230,079.81
  5. Step 5: Solve for x
    x = 4,172,230,079.81/64,687.04
  6. Step 6: Final answer
    x = 64,498.70

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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.