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Finding the Fourth Proportional to 48,602.40, 72,903.60 and 17,440.80

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Solution

The fourth proportional to 48,602.40, 72,903.60 and 17,440.80 is: 26,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602.40 : 72,903.60 = 17,440.80 : x
  2. Step 2: Convert to fraction form
    48,602.40/72,903.60 = 17,440.80/x
  3. Step 3: Cross multiply
    48,602.40x = 72,903.60 × 17,440.80
  4. Step 4: Simplify right side
    48,602.40x = 1,271,497,106.88
  5. Step 5: Solve for x
    x = 1,271,497,106.88/48,602.40
  6. Step 6: Final answer
    x = 26,161.20

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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.