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Finding the Fourth Proportional to 7,355.03, 10,152.81 and 4,703.90

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Solution

The fourth proportional to 7,355.03, 10,152.81 and 4,703.90 is: 6,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.03 : 10,152.81 = 4,703.90 : x
  2. Step 2: Convert to fraction form
    7,355.03/10,152.81 = 4,703.90/x
  3. Step 3: Cross multiply
    7,355.03x = 10,152.81 × 4,703.90
  4. Step 4: Simplify right side
    7,355.03x = 47,757,752.19
  5. Step 5: Solve for x
    x = 47,757,752.19/7,355.03
  6. Step 6: Final answer
    x = 6,493.21

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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.