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Finding the Fourth Proportional to 35,344.46, 48,775.40 and 19,429.00

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Solution

The fourth proportional to 35,344.46, 48,775.40 and 19,429.00 is: 26,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.46 : 48,775.40 = 19,429.00 : x
  2. Step 2: Convert to fraction form
    35,344.46/48,775.40 = 19,429.00/x
  3. Step 3: Cross multiply
    35,344.46x = 48,775.40 × 19,429.00
  4. Step 4: Simplify right side
    35,344.46x = 947,657,307.57
  5. Step 5: Solve for x
    x = 947,657,307.57/35,344.46
  6. Step 6: Final answer
    x = 26,812.05

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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.