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Finding the Fourth Proportional to 3,653.48, 5,484.12 and 1,574.50

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Solution

The fourth proportional to 3,653.48, 5,484.12 and 1,574.50 is: 2,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.48 : 5,484.12 = 1,574.50 : x
  2. Step 2: Convert to fraction form
    3,653.48/5,484.12 = 1,574.50/x
  3. Step 3: Cross multiply
    3,653.48x = 5,484.12 × 1,574.50
  4. Step 4: Simplify right side
    3,653.48x = 8,634,746.94
  5. Step 5: Solve for x
    x = 8,634,746.94/3,653.48
  6. Step 6: Final answer
    x = 2,363.43

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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.