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Finding the Fourth Proportional to 63,641, 95,437.50 and 51,130.28

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Solution

The fourth proportional to 63,641, 95,437.50 and 51,130.28 is: 76,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641 : 95,437.50 = 51,130.28 : x
  2. Step 2: Convert to fraction form
    63,641/95,437.50 = 51,130.28/x
  3. Step 3: Cross multiply
    63,641x = 95,437.50 × 51,130.28
  4. Step 4: Simplify right side
    63,641x = 4,879,746,097.50
  5. Step 5: Solve for x
    x = 4,879,746,097.50/63,641
  6. Step 6: Final answer
    x = 76,676.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.