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Finding the Fourth Proportional to 35,059.60, 48,386.06 and 21,630.51

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Solution

The fourth proportional to 35,059.60, 48,386.06 and 21,630.51 is: 29,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.60 : 48,386.06 = 21,630.51 : x
  2. Step 2: Convert to fraction form
    35,059.60/48,386.06 = 21,630.51/x
  3. Step 3: Cross multiply
    35,059.60x = 48,386.06 × 21,630.51
  4. Step 4: Simplify right side
    35,059.60x = 1,046,615,154.69
  5. Step 5: Solve for x
    x = 1,046,615,154.69/35,059.60
  6. Step 6: Final answer
    x = 29,852.46

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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.