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Finding the Fourth Proportional to 61,899.98, 92,835 and 28,588.01

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Solution

The fourth proportional to 61,899.98, 92,835 and 28,588.01 is: 42,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.98 : 92,835 = 28,588.01 : x
  2. Step 2: Convert to fraction form
    61,899.98/92,835 = 28,588.01/x
  3. Step 3: Cross multiply
    61,899.98x = 92,835 × 28,588.01
  4. Step 4: Simplify right side
    61,899.98x = 2,653,967,444.18
  5. Step 5: Solve for x
    x = 2,653,967,444.18/61,899.98
  6. Step 6: Final answer
    x = 42,875.10

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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.