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Finding the Fourth Proportional to 5,440.95, 7,503.93 and 4,812.03

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Solution

The fourth proportional to 5,440.95, 7,503.93 and 4,812.03 is: 6,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.95 : 7,503.93 = 4,812.03 : x
  2. Step 2: Convert to fraction form
    5,440.95/7,503.93 = 4,812.03/x
  3. Step 3: Cross multiply
    5,440.95x = 7,503.93 × 4,812.03
  4. Step 4: Simplify right side
    5,440.95x = 36,109,136.28
  5. Step 5: Solve for x
    x = 36,109,136.28/5,440.95
  6. Step 6: Final answer
    x = 6,636.55

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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.