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Finding the Fourth Proportional to 4,954.97, 7,430.10 and 2,875.60

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Solution

The fourth proportional to 4,954.97, 7,430.10 and 2,875.60 is: 4,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.97 : 7,430.10 = 2,875.60 : x
  2. Step 2: Convert to fraction form
    4,954.97/7,430.10 = 2,875.60/x
  3. Step 3: Cross multiply
    4,954.97x = 7,430.10 × 2,875.60
  4. Step 4: Simplify right side
    4,954.97x = 21,365,994.06
  5. Step 5: Solve for x
    x = 21,365,994.06/4,954.97
  6. Step 6: Final answer
    x = 4,312.03

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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.