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Finding the Fourth Proportional to 1,752.46, 2,415.84 and 1,254.24

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Solution

The fourth proportional to 1,752.46, 2,415.84 and 1,254.24 is: 1,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.46 : 2,415.84 = 1,254.24 : x
  2. Step 2: Convert to fraction form
    1,752.46/2,415.84 = 1,254.24/x
  3. Step 3: Cross multiply
    1,752.46x = 2,415.84 × 1,254.24
  4. Step 4: Simplify right side
    1,752.46x = 3,030,043.16
  5. Step 5: Solve for x
    x = 3,030,043.16/1,752.46
  6. Step 6: Final answer
    x = 1,729.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.