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Finding the Fourth Proportional to 1,739.04, 2,607.48 and 970.08

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Solution

The fourth proportional to 1,739.04, 2,607.48 and 970.08 is: 1,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.04 : 2,607.48 = 970.08 : x
  2. Step 2: Convert to fraction form
    1,739.04/2,607.48 = 970.08/x
  3. Step 3: Cross multiply
    1,739.04x = 2,607.48 × 970.08
  4. Step 4: Simplify right side
    1,739.04x = 2,529,464.20
  5. Step 5: Solve for x
    x = 2,529,464.20/1,739.04
  6. Step 6: Final answer
    x = 1,454.52

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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.