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Finding the Fourth Proportional to 15,673.60, 23,510.40 and 14,636.80

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Solution

The fourth proportional to 15,673.60, 23,510.40 and 14,636.80 is: 21,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.60 : 23,510.40 = 14,636.80 : x
  2. Step 2: Convert to fraction form
    15,673.60/23,510.40 = 14,636.80/x
  3. Step 3: Cross multiply
    15,673.60x = 23,510.40 × 14,636.80
  4. Step 4: Simplify right side
    15,673.60x = 344,117,022.72
  5. Step 5: Solve for x
    x = 344,117,022.72/15,673.60
  6. Step 6: Final answer
    x = 21,955.20

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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.