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Finding the Fourth Proportional to 7,018.90, 9,683.74 and 4,502.37

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Solution

The fourth proportional to 7,018.90, 9,683.74 and 4,502.37 is: 6,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.90 : 9,683.74 = 4,502.37 : x
  2. Step 2: Convert to fraction form
    7,018.90/9,683.74 = 4,502.37/x
  3. Step 3: Cross multiply
    7,018.90x = 9,683.74 × 4,502.37
  4. Step 4: Simplify right side
    7,018.90x = 43,599,802.46
  5. Step 5: Solve for x
    x = 43,599,802.46/7,018.90
  6. Step 6: Final answer
    x = 6,211.77

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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.