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Finding the Fourth Proportional to 57,333.60, 85,854.60 and 54,709.20

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Solution

The fourth proportional to 57,333.60, 85,854.60 and 54,709.20 is: 81,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,333.60 : 85,854.60 = 54,709.20 : x
  2. Step 2: Convert to fraction form
    57,333.60/85,854.60 = 54,709.20/x
  3. Step 3: Cross multiply
    57,333.60x = 85,854.60 × 54,709.20
  4. Step 4: Simplify right side
    57,333.60x = 4,697,036,482.32
  5. Step 5: Solve for x
    x = 4,697,036,482.32/57,333.60
  6. Step 6: Final answer
    x = 81,924.67

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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.