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Finding the Fourth Proportional to 60,787.48, 83,699.58 and 51,814.84

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Solution

The fourth proportional to 60,787.48, 83,699.58 and 51,814.84 is: 71,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.48 : 83,699.58 = 51,814.84 : x
  2. Step 2: Convert to fraction form
    60,787.48/83,699.58 = 51,814.84/x
  3. Step 3: Cross multiply
    60,787.48x = 83,699.58 × 51,814.84
  4. Step 4: Simplify right side
    60,787.48x = 4,336,880,345.77
  5. Step 5: Solve for x
    x = 4,336,880,345.77/60,787.48
  6. Step 6: Final answer
    x = 71,344.96

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1.5x scale

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.