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Finding the Fourth Proportional to 35,457.68, 48,931.92 and 19,542.69

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Solution

The fourth proportional to 35,457.68, 48,931.92 and 19,542.69 is: 26,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.68 : 48,931.92 = 19,542.69 : x
  2. Step 2: Convert to fraction form
    35,457.68/48,931.92 = 19,542.69/x
  3. Step 3: Cross multiply
    35,457.68x = 48,931.92 × 19,542.69
  4. Step 4: Simplify right side
    35,457.68x = 956,261,343.66
  5. Step 5: Solve for x
    x = 956,261,343.66/35,457.68
  6. Step 6: Final answer
    x = 26,969.09

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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.