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Finding the Fourth Proportional to 35,485.72, 48,969.63 and 19,353.22

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Solution

The fourth proportional to 35,485.72, 48,969.63 and 19,353.22 is: 26,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.72 : 48,969.63 = 19,353.22 : x
  2. Step 2: Convert to fraction form
    35,485.72/48,969.63 = 19,353.22/x
  3. Step 3: Cross multiply
    35,485.72x = 48,969.63 × 19,353.22
  4. Step 4: Simplify right side
    35,485.72x = 947,720,022.71
  5. Step 5: Solve for x
    x = 947,720,022.71/35,485.72
  6. Step 6: Final answer
    x = 26,707.08

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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.