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Finding the Fourth Proportional to 50,457.63, 69,654.58 and 35,931.20

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Solution

The fourth proportional to 50,457.63, 69,654.58 and 35,931.20 is: 49,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,457.63 : 69,654.58 = 35,931.20 : x
  2. Step 2: Convert to fraction form
    50,457.63/69,654.58 = 35,931.20/x
  3. Step 3: Cross multiply
    50,457.63x = 69,654.58 × 35,931.20
  4. Step 4: Simplify right side
    50,457.63x = 2,502,772,408.91
  5. Step 5: Solve for x
    x = 2,502,772,408.91/50,457.63
  6. Step 6: Final answer
    x = 49,601.46

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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.