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Finding the Fourth Proportional to 35,307.96, 48,723.04 and 19,389.84

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Solution

The fourth proportional to 35,307.96, 48,723.04 and 19,389.84 is: 26,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.96 : 48,723.04 = 19,389.84 : x
  2. Step 2: Convert to fraction form
    35,307.96/48,723.04 = 19,389.84/x
  3. Step 3: Cross multiply
    35,307.96x = 48,723.04 × 19,389.84
  4. Step 4: Simplify right side
    35,307.96x = 944,731,949.91
  5. Step 5: Solve for x
    x = 944,731,949.91/35,307.96
  6. Step 6: Final answer
    x = 26,756.91

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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.