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Finding the Fourth Proportional to 40,702.98, 61,060.59 and 14,407.98

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Solution

The fourth proportional to 40,702.98, 61,060.59 and 14,407.98 is: 21,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.98 : 61,060.59 = 14,407.98 : x
  2. Step 2: Convert to fraction form
    40,702.98/61,060.59 = 14,407.98/x
  3. Step 3: Cross multiply
    40,702.98x = 61,060.59 × 14,407.98
  4. Step 4: Simplify right side
    40,702.98x = 879,759,759.51
  5. Step 5: Solve for x
    x = 879,759,759.51/40,702.98
  6. Step 6: Final answer
    x = 21,614.14

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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.