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Finding the Fourth Proportional to 65,264.64, 90,068.76 and 36,975.84

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Solution

The fourth proportional to 65,264.64, 90,068.76 and 36,975.84 is: 51,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,264.64 : 90,068.76 = 36,975.84 : x
  2. Step 2: Convert to fraction form
    65,264.64/90,068.76 = 36,975.84/x
  3. Step 3: Cross multiply
    65,264.64x = 90,068.76 × 36,975.84
  4. Step 4: Simplify right side
    65,264.64x = 3,330,368,058.76
  5. Step 5: Solve for x
    x = 3,330,368,058.76/65,264.64
  6. Step 6: Final answer
    x = 51,028.67

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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.