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Finding the Fourth Proportional to 64,688.04, 89,239.99 and 46,754.64

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Solution

The fourth proportional to 64,688.04, 89,239.99 and 46,754.64 is: 64,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,688.04 : 89,239.99 = 46,754.64 : x
  2. Step 2: Convert to fraction form
    64,688.04/89,239.99 = 46,754.64/x
  3. Step 3: Cross multiply
    64,688.04x = 89,239.99 × 46,754.64
  4. Step 4: Simplify right side
    64,688.04x = 4,172,383,606.05
  5. Step 5: Solve for x
    x = 4,172,383,606.05/64,688.04
  6. Step 6: Final answer
    x = 64,500.08

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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.