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Finding the Fourth Proportional to 62,295.78, 93,440.40 and 17,920.80

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Solution

The fourth proportional to 62,295.78, 93,440.40 and 17,920.80 is: 26,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,295.78 : 93,440.40 = 17,920.80 : x
  2. Step 2: Convert to fraction form
    62,295.78/93,440.40 = 17,920.80/x
  3. Step 3: Cross multiply
    62,295.78x = 93,440.40 × 17,920.80
  4. Step 4: Simplify right side
    62,295.78x = 1,674,526,720.32
  5. Step 5: Solve for x
    x = 1,674,526,720.32/62,295.78
  6. Step 6: Final answer
    x = 26,880.26

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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.