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Finding the Fourth Proportional to 46,363.60, 64,000.20 and 29,621.20

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Solution

The fourth proportional to 46,363.60, 64,000.20 and 29,621.20 is: 40,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,363.60 : 64,000.20 = 29,621.20 : x
  2. Step 2: Convert to fraction form
    46,363.60/64,000.20 = 29,621.20/x
  3. Step 3: Cross multiply
    46,363.60x = 64,000.20 × 29,621.20
  4. Step 4: Simplify right side
    46,363.60x = 1,895,762,724.24
  5. Step 5: Solve for x
    x = 1,895,762,724.24/46,363.60
  6. Step 6: Final answer
    x = 40,889.03

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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.