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Finding the Fourth Proportional to 56,908.60, 85,362.90 and 17,465.80

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Solution

The fourth proportional to 56,908.60, 85,362.90 and 17,465.80 is: 26,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,908.60 : 85,362.90 = 17,465.80 : x
  2. Step 2: Convert to fraction form
    56,908.60/85,362.90 = 17,465.80/x
  3. Step 3: Cross multiply
    56,908.60x = 85,362.90 × 17,465.80
  4. Step 4: Simplify right side
    56,908.60x = 1,490,931,338.82
  5. Step 5: Solve for x
    x = 1,490,931,338.82/56,908.60
  6. Step 6: Final answer
    x = 26,198.70

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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.