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Finding the Fourth Proportional to 8,957.01, 13,430.29 and 3,410.74

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Solution

The fourth proportional to 8,957.01, 13,430.29 and 3,410.74 is: 5,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.01 : 13,430.29 = 3,410.74 : x
  2. Step 2: Convert to fraction form
    8,957.01/13,430.29 = 3,410.74/x
  3. Step 3: Cross multiply
    8,957.01x = 13,430.29 × 3,410.74
  4. Step 4: Simplify right side
    8,957.01x = 45,807,227.31
  5. Step 5: Solve for x
    x = 45,807,227.31/8,957.01
  6. Step 6: Final answer
    x = 5,114.12

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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.