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Finding the Fourth Proportional to 84,762.90, 127,144.35 and 22,433.40

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Solution

The fourth proportional to 84,762.90, 127,144.35 and 22,433.40 is: 33,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.90 : 127,144.35 = 22,433.40 : x
  2. Step 2: Convert to fraction form
    84,762.90/127,144.35 = 22,433.40/x
  3. Step 3: Cross multiply
    84,762.90x = 127,144.35 × 22,433.40
  4. Step 4: Simplify right side
    84,762.90x = 2,852,280,061.29
  5. Step 5: Solve for x
    x = 2,852,280,061.29/84,762.90
  6. Step 6: Final answer
    x = 33,650.10

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1.5x scale

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.