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Finding the Fourth Proportional to 57,070.60, 85,621.65 and 23,806.30

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Solution

The fourth proportional to 57,070.60, 85,621.65 and 23,806.30 is: 35,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.60 : 85,621.65 = 23,806.30 : x
  2. Step 2: Convert to fraction form
    57,070.60/85,621.65 = 23,806.30/x
  3. Step 3: Cross multiply
    57,070.60x = 85,621.65 × 23,806.30
  4. Step 4: Simplify right side
    57,070.60x = 2,038,334,686.40
  5. Step 5: Solve for x
    x = 2,038,334,686.40/57,070.60
  6. Step 6: Final answer
    x = 35,716.02

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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.