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Finding the Fourth Proportional to 45,873.80, 68,810.70 and 14,712.20

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Solution

The fourth proportional to 45,873.80, 68,810.70 and 14,712.20 is: 22,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.80 : 68,810.70 = 14,712.20 : x
  2. Step 2: Convert to fraction form
    45,873.80/68,810.70 = 14,712.20/x
  3. Step 3: Cross multiply
    45,873.80x = 68,810.70 × 14,712.20
  4. Step 4: Simplify right side
    45,873.80x = 1,012,356,780.54
  5. Step 5: Solve for x
    x = 1,012,356,780.54/45,873.80
  6. Step 6: Final answer
    x = 22,068.30

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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.