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Finding the Fourth Proportional to 66,803.47, 92,187.86 and 36,588.78

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Solution

The fourth proportional to 66,803.47, 92,187.86 and 36,588.78 is: 50,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.47 : 92,187.86 = 36,588.78 : x
  2. Step 2: Convert to fraction form
    66,803.47/92,187.86 = 36,588.78/x
  3. Step 3: Cross multiply
    66,803.47x = 92,187.86 × 36,588.78
  4. Step 4: Simplify right side
    66,803.47x = 3,373,041,328.21
  5. Step 5: Solve for x
    x = 3,373,041,328.21/66,803.47
  6. Step 6: Final answer
    x = 50,492.01

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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.