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Finding the Fourth Proportional to 45,957.68, 63,417.12 and 25,810

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Solution

The fourth proportional to 45,957.68, 63,417.12 and 25,810 is: 35,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.68 : 63,417.12 = 25,810 : x
  2. Step 2: Convert to fraction form
    45,957.68/63,417.12 = 25,810/x
  3. Step 3: Cross multiply
    45,957.68x = 63,417.12 × 25,810
  4. Step 4: Simplify right side
    45,957.68x = 1,636,795,867.20
  5. Step 5: Solve for x
    x = 1,636,795,867.20/45,957.68
  6. Step 6: Final answer
    x = 35,615.28

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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.