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Finding the Fourth Proportional to 35,290.79, 48,701.07 and 19,158.42

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Solution

The fourth proportional to 35,290.79, 48,701.07 and 19,158.42 is: 26,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.79 : 48,701.07 = 19,158.42 : x
  2. Step 2: Convert to fraction form
    35,290.79/48,701.07 = 19,158.42/x
  3. Step 3: Cross multiply
    35,290.79x = 48,701.07 × 19,158.42
  4. Step 4: Simplify right side
    35,290.79x = 933,035,553.51
  5. Step 5: Solve for x
    x = 933,035,553.51/35,290.79
  6. Step 6: Final answer
    x = 26,438.50

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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.