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Finding the Fourth Proportional to 56,500.40, 84,746.48 and 26,521.47

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Solution

The fourth proportional to 56,500.40, 84,746.48 and 26,521.47 is: 39,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.40 : 84,746.48 = 26,521.47 : x
  2. Step 2: Convert to fraction form
    56,500.40/84,746.48 = 26,521.47/x
  3. Step 3: Cross multiply
    56,500.40x = 84,746.48 × 26,521.47
  4. Step 4: Simplify right side
    56,500.40x = 2,247,601,094.32
  5. Step 5: Solve for x
    x = 2,247,601,094.32/56,500.40
  6. Step 6: Final answer
    x = 39,780.27

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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.