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Finding the Fourth Proportional to 89,484.64, 123,492.24 and 51,250.24

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Solution

The fourth proportional to 89,484.64, 123,492.24 and 51,250.24 is: 70,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,484.64 : 123,492.24 = 51,250.24 : x
  2. Step 2: Convert to fraction form
    89,484.64/123,492.24 = 51,250.24/x
  3. Step 3: Cross multiply
    89,484.64x = 123,492.24 × 51,250.24
  4. Step 4: Simplify right side
    89,484.64x = 6,329,006,938.14
  5. Step 5: Solve for x
    x = 6,329,006,938.14/89,484.64
  6. Step 6: Final answer
    x = 70,727.30

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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.