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Finding the Fourth Proportional to 65,045.96, 89,758.50 and 36,754.28

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Solution

The fourth proportional to 65,045.96, 89,758.50 and 36,754.28 is: 50,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,045.96 : 89,758.50 = 36,754.28 : x
  2. Step 2: Convert to fraction form
    65,045.96/89,758.50 = 36,754.28/x
  3. Step 3: Cross multiply
    65,045.96x = 89,758.50 × 36,754.28
  4. Step 4: Simplify right side
    65,045.96x = 3,299,009,041.38
  5. Step 5: Solve for x
    x = 3,299,009,041.38/65,045.96
  6. Step 6: Final answer
    x = 50,718.12

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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.