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Finding the Fourth Proportional to 4,437.76, 6,654.88 and 1,970.88

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Solution

The fourth proportional to 4,437.76, 6,654.88 and 1,970.88 is: 2,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.76 : 6,654.88 = 1,970.88 : x
  2. Step 2: Convert to fraction form
    4,437.76/6,654.88 = 1,970.88/x
  3. Step 3: Cross multiply
    4,437.76x = 6,654.88 × 1,970.88
  4. Step 4: Simplify right side
    4,437.76x = 13,115,969.89
  5. Step 5: Solve for x
    x = 13,115,969.89/4,437.76
  6. Step 6: Final answer
    x = 2,955.54

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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.