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Finding the Fourth Proportional to 5,012.88, 7,519.53 and 1,502.95

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Solution

The fourth proportional to 5,012.88, 7,519.53 and 1,502.95 is: 2,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.88 : 7,519.53 = 1,502.95 : x
  2. Step 2: Convert to fraction form
    5,012.88/7,519.53 = 1,502.95/x
  3. Step 3: Cross multiply
    5,012.88x = 7,519.53 × 1,502.95
  4. Step 4: Simplify right side
    5,012.88x = 11,301,477.61
  5. Step 5: Solve for x
    x = 11,301,477.61/5,012.88
  6. Step 6: Final answer
    x = 2,254.49

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Double scale
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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.