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Finding the Fourth Proportional to 3,244.63, 4,866.95 and 904.64

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Solution

The fourth proportional to 3,244.63, 4,866.95 and 904.64 is: 1,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.63 : 4,866.95 = 904.64 : x
  2. Step 2: Convert to fraction form
    3,244.63/4,866.95 = 904.64/x
  3. Step 3: Cross multiply
    3,244.63x = 4,866.95 × 904.64
  4. Step 4: Simplify right side
    3,244.63x = 4,402,837.65
  5. Step 5: Solve for x
    x = 4,402,837.65/3,244.63
  6. Step 6: Final answer
    x = 1,356.96

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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.