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Finding the Fourth Proportional to 35,343.99, 48,774.41 and 19,428.27

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Solution

The fourth proportional to 35,343.99, 48,774.41 and 19,428.27 is: 26,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.99 : 48,774.41 = 19,428.27 : x
  2. Step 2: Convert to fraction form
    35,343.99/48,774.41 = 19,428.27/x
  3. Step 3: Cross multiply
    35,343.99x = 48,774.41 × 19,428.27
  4. Step 4: Simplify right side
    35,343.99x = 947,602,406.57
  5. Step 5: Solve for x
    x = 947,602,406.57/35,343.99
  6. Step 6: Final answer
    x = 26,810.85

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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.