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Finding the Fourth Proportional to 64,994.80, 97,492.20 and 42,833.20

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Solution

The fourth proportional to 64,994.80, 97,492.20 and 42,833.20 is: 64,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.80 : 97,492.20 = 42,833.20 : x
  2. Step 2: Convert to fraction form
    64,994.80/97,492.20 = 42,833.20/x
  3. Step 3: Cross multiply
    64,994.80x = 97,492.20 × 42,833.20
  4. Step 4: Simplify right side
    64,994.80x = 4,175,902,901.04
  5. Step 5: Solve for x
    x = 4,175,902,901.04/64,994.80
  6. Step 6: Final answer
    x = 64,249.80

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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.