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Finding the Fourth Proportional to 64,846.13, 89,487.68 and 35,038.13

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Solution

The fourth proportional to 64,846.13, 89,487.68 and 35,038.13 is: 48,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,846.13 : 89,487.68 = 35,038.13 : x
  2. Step 2: Convert to fraction form
    64,846.13/89,487.68 = 35,038.13/x
  3. Step 3: Cross multiply
    64,846.13x = 89,487.68 × 35,038.13
  4. Step 4: Simplify right side
    64,846.13x = 3,135,480,342.61
  5. Step 5: Solve for x
    x = 3,135,480,342.61/64,846.13
  6. Step 6: Final answer
    x = 48,352.62

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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.