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Finding the Fourth Proportional to 9,609.81, 14,409.60 and 4,927.93

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Solution

The fourth proportional to 9,609.81, 14,409.60 and 4,927.93 is: 7,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.81 : 14,409.60 = 4,927.93 : x
  2. Step 2: Convert to fraction form
    9,609.81/14,409.60 = 4,927.93/x
  3. Step 3: Cross multiply
    9,609.81x = 14,409.60 × 4,927.93
  4. Step 4: Simplify right side
    9,609.81x = 71,009,425.36
  5. Step 5: Solve for x
    x = 71,009,425.36/9,609.81
  6. Step 6: Final answer
    x = 7,389.26

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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.