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Finding the Fourth Proportional to 4,603.72, 6,905.52 and 1,316.80

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Solution

The fourth proportional to 4,603.72, 6,905.52 and 1,316.80 is: 1,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.72 : 6,905.52 = 1,316.80 : x
  2. Step 2: Convert to fraction form
    4,603.72/6,905.52 = 1,316.80/x
  3. Step 3: Cross multiply
    4,603.72x = 6,905.52 × 1,316.80
  4. Step 4: Simplify right side
    4,603.72x = 9,093,188.74
  5. Step 5: Solve for x
    x = 9,093,188.74/4,603.72
  6. Step 6: Final answer
    x = 1,975.18

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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.