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Finding the Fourth Proportional to 35,356.85, 53,070.13 and 25,970.52

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Solution

The fourth proportional to 35,356.85, 53,070.13 and 25,970.52 is: 38,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.85 : 53,070.13 = 25,970.52 : x
  2. Step 2: Convert to fraction form
    35,356.85/53,070.13 = 25,970.52/x
  3. Step 3: Cross multiply
    35,356.85x = 53,070.13 × 25,970.52
  4. Step 4: Simplify right side
    35,356.85x = 1,378,258,905.03
  5. Step 5: Solve for x
    x = 1,378,258,905.03/35,356.85
  6. Step 6: Final answer
    x = 38,981.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.