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Finding the Fourth Proportional to 45,915, 63,362.70 and 26,043

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Solution

The fourth proportional to 45,915, 63,362.70 and 26,043 is: 35,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915 : 63,362.70 = 26,043 : x
  2. Step 2: Convert to fraction form
    45,915/63,362.70 = 26,043/x
  3. Step 3: Cross multiply
    45,915x = 63,362.70 × 26,043
  4. Step 4: Simplify right side
    45,915x = 1,650,154,796.10
  5. Step 5: Solve for x
    x = 1,650,154,796.10/45,915
  6. Step 6: Final answer
    x = 35,939.34

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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.