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Finding the Fourth Proportional to 64,401.60, 96,602.40 and 32,908.80

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Solution

The fourth proportional to 64,401.60, 96,602.40 and 32,908.80 is: 49,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.60 : 96,602.40 = 32,908.80 : x
  2. Step 2: Convert to fraction form
    64,401.60/96,602.40 = 32,908.80/x
  3. Step 3: Cross multiply
    64,401.60x = 96,602.40 × 32,908.80
  4. Step 4: Simplify right side
    64,401.60x = 3,179,069,061.12
  5. Step 5: Solve for x
    x = 3,179,069,061.12/64,401.60
  6. Step 6: Final answer
    x = 49,363.20

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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.