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Finding the Fourth Proportional to 35,125.42, 48,473.07 and 19,209.87

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Solution

The fourth proportional to 35,125.42, 48,473.07 and 19,209.87 is: 26,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,125.42 : 48,473.07 = 19,209.87 : x
  2. Step 2: Convert to fraction form
    35,125.42/48,473.07 = 19,209.87/x
  3. Step 3: Cross multiply
    35,125.42x = 48,473.07 × 19,209.87
  4. Step 4: Simplify right side
    35,125.42x = 931,161,373.20
  5. Step 5: Solve for x
    x = 931,161,373.20/35,125.42
  6. Step 6: Final answer
    x = 26,509.62

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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.