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Finding the Fourth Proportional to 62,640, 93,964.40 and 25,200.24

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Solution

The fourth proportional to 62,640, 93,964.40 and 25,200.24 is: 37,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640 : 93,964.40 = 25,200.24 : x
  2. Step 2: Convert to fraction form
    62,640/93,964.40 = 25,200.24/x
  3. Step 3: Cross multiply
    62,640x = 93,964.40 × 25,200.24
  4. Step 4: Simplify right side
    62,640x = 2,367,925,431.46
  5. Step 5: Solve for x
    x = 2,367,925,431.46/62,640
  6. Step 6: Final answer
    x = 37,802.13

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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.