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Finding the Fourth Proportional to 63,490.51, 94,772.16 and 58,865

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Solution

The fourth proportional to 63,490.51, 94,772.16 and 58,865 is: 87,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.51 : 94,772.16 = 58,865 : x
  2. Step 2: Convert to fraction form
    63,490.51/94,772.16 = 58,865/x
  3. Step 3: Cross multiply
    63,490.51x = 94,772.16 × 58,865
  4. Step 4: Simplify right side
    63,490.51x = 5,578,762,904.08
  5. Step 5: Solve for x
    x = 5,578,762,904.08/63,490.51
  6. Step 6: Final answer
    x = 87,867.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.