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Finding the Fourth Proportional to 61,521.53, 92,210.28 and 28,244.79

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Solution

The fourth proportional to 61,521.53, 92,210.28 and 28,244.79 is: 42,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.53 : 92,210.28 = 28,244.79 : x
  2. Step 2: Convert to fraction form
    61,521.53/92,210.28 = 28,244.79/x
  3. Step 3: Cross multiply
    61,521.53x = 92,210.28 × 28,244.79
  4. Step 4: Simplify right side
    61,521.53x = 2,604,459,994.44
  5. Step 5: Solve for x
    x = 2,604,459,994.44/61,521.53
  6. Step 6: Final answer
    x = 42,334.13

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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.