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Finding the Fourth Proportional to 5,657.30, 8,485.95 and 5,417.35

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Solution

The fourth proportional to 5,657.30, 8,485.95 and 5,417.35 is: 8,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.30 : 8,485.95 = 5,417.35 : x
  2. Step 2: Convert to fraction form
    5,657.30/8,485.95 = 5,417.35/x
  3. Step 3: Cross multiply
    5,657.30x = 8,485.95 × 5,417.35
  4. Step 4: Simplify right side
    5,657.30x = 45,971,361.23
  5. Step 5: Solve for x
    x = 45,971,361.23/5,657.30
  6. Step 6: Final answer
    x = 8,126.03

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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.