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Finding the Fourth Proportional to 64,492.53, 88,994.81 and 36,192.75

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Solution

The fourth proportional to 64,492.53, 88,994.81 and 36,192.75 is: 49,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,492.53 : 88,994.81 = 36,192.75 : x
  2. Step 2: Convert to fraction form
    64,492.53/88,994.81 = 36,192.75/x
  3. Step 3: Cross multiply
    64,492.53x = 88,994.81 × 36,192.75
  4. Step 4: Simplify right side
    64,492.53x = 3,220,966,728.66
  5. Step 5: Solve for x
    x = 3,220,966,728.66/64,492.53
  6. Step 6: Final answer
    x = 49,943.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.