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Finding the Fourth Proportional to 74,457.77, 102,752.53 and 40,466.84

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Solution

The fourth proportional to 74,457.77, 102,752.53 and 40,466.84 is: 55,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,457.77 : 102,752.53 = 40,466.84 : x
  2. Step 2: Convert to fraction form
    74,457.77/102,752.53 = 40,466.84/x
  3. Step 3: Cross multiply
    74,457.77x = 102,752.53 × 40,466.84
  4. Step 4: Simplify right side
    74,457.77x = 4,158,069,576.18
  5. Step 5: Solve for x
    x = 4,158,069,576.18/74,457.77
  6. Step 6: Final answer
    x = 55,844.67

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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.