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Finding the Fourth Proportional to 52,386, 78,473.88 and 26,010.96

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Solution

The fourth proportional to 52,386, 78,473.88 and 26,010.96 is: 38,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386 : 78,473.88 = 26,010.96 : x
  2. Step 2: Convert to fraction form
    52,386/78,473.88 = 26,010.96/x
  3. Step 3: Cross multiply
    52,386x = 78,473.88 × 26,010.96
  4. Step 4: Simplify right side
    52,386x = 2,041,180,953.72
  5. Step 5: Solve for x
    x = 2,041,180,953.72/52,386
  6. Step 6: Final answer
    x = 38,964.25

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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.