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Finding the Fourth Proportional to 45,801.46, 68,712.03 and 14,210.87

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Solution

The fourth proportional to 45,801.46, 68,712.03 and 14,210.87 is: 21,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.46 : 68,712.03 = 14,210.87 : x
  2. Step 2: Convert to fraction form
    45,801.46/68,712.03 = 14,210.87/x
  3. Step 3: Cross multiply
    45,801.46x = 68,712.03 × 14,210.87
  4. Step 4: Simplify right side
    45,801.46x = 976,457,725.77
  5. Step 5: Solve for x
    x = 976,457,725.77/45,801.46
  6. Step 6: Final answer
    x = 21,319.36

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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.