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Finding the Fourth Proportional to 2,953.48, 4,430.22 and 1,005.64

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Solution

The fourth proportional to 2,953.48, 4,430.22 and 1,005.64 is: 1,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.48 : 4,430.22 = 1,005.64 : x
  2. Step 2: Convert to fraction form
    2,953.48/4,430.22 = 1,005.64/x
  3. Step 3: Cross multiply
    2,953.48x = 4,430.22 × 1,005.64
  4. Step 4: Simplify right side
    2,953.48x = 4,455,206.44
  5. Step 5: Solve for x
    x = 4,455,206.44/2,953.48
  6. Step 6: Final answer
    x = 1,508.46

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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.