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Finding the Fourth Proportional to 46,261, 63,840.18 and 26,389

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Solution

The fourth proportional to 46,261, 63,840.18 and 26,389 is: 36,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,261 : 63,840.18 = 26,389 : x
  2. Step 2: Convert to fraction form
    46,261/63,840.18 = 26,389/x
  3. Step 3: Cross multiply
    46,261x = 63,840.18 × 26,389
  4. Step 4: Simplify right side
    46,261x = 1,684,678,510.02
  5. Step 5: Solve for x
    x = 1,684,678,510.02/46,261
  6. Step 6: Final answer
    x = 36,416.82

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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.