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Finding the Fourth Proportional to 57,258.99, 79,033.58 and 40,267.22

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Solution

The fourth proportional to 57,258.99, 79,033.58 and 40,267.22 is: 55,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,258.99 : 79,033.58 = 40,267.22 : x
  2. Step 2: Convert to fraction form
    57,258.99/79,033.58 = 40,267.22/x
  3. Step 3: Cross multiply
    57,258.99x = 79,033.58 × 40,267.22
  4. Step 4: Simplify right side
    57,258.99x = 3,182,461,956.74
  5. Step 5: Solve for x
    x = 3,182,461,956.74/57,258.99
  6. Step 6: Final answer
    x = 55,580.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.