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Finding the Fourth Proportional to 46,415.70, 69,623.55 and 43,305.30

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Solution

The fourth proportional to 46,415.70, 69,623.55 and 43,305.30 is: 64,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,415.70 : 69,623.55 = 43,305.30 : x
  2. Step 2: Convert to fraction form
    46,415.70/69,623.55 = 43,305.30/x
  3. Step 3: Cross multiply
    46,415.70x = 69,623.55 × 43,305.30
  4. Step 4: Simplify right side
    46,415.70x = 3,015,068,719.82
  5. Step 5: Solve for x
    x = 3,015,068,719.82/46,415.70
  6. Step 6: Final answer
    x = 64,957.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.