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Finding the Fourth Proportional to 7,587.36, 10,492.44 and 7,239.24

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Solution

The fourth proportional to 7,587.36, 10,492.44 and 7,239.24 is: 10,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.36 : 10,492.44 = 7,239.24 : x
  2. Step 2: Convert to fraction form
    7,587.36/10,492.44 = 7,239.24/x
  3. Step 3: Cross multiply
    7,587.36x = 10,492.44 × 7,239.24
  4. Step 4: Simplify right side
    7,587.36x = 75,957,291.35
  5. Step 5: Solve for x
    x = 75,957,291.35/7,587.36
  6. Step 6: Final answer
    x = 10,011.03

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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.