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Finding the Fourth Proportional to 84,730, 127,095 and 22,400.50

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Solution

The fourth proportional to 84,730, 127,095 and 22,400.50 is: 33,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730 : 127,095 = 22,400.50 : x
  2. Step 2: Convert to fraction form
    84,730/127,095 = 22,400.50/x
  3. Step 3: Cross multiply
    84,730x = 127,095 × 22,400.50
  4. Step 4: Simplify right side
    84,730x = 2,846,991,547.50
  5. Step 5: Solve for x
    x = 2,846,991,547.50/84,730
  6. Step 6: Final answer
    x = 33,600.75

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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.