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Finding the Fourth Proportional to 63,368.69, 87,442.88 and 37,870.02

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Solution

The fourth proportional to 63,368.69, 87,442.88 and 37,870.02 is: 52,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.69 : 87,442.88 = 37,870.02 : x
  2. Step 2: Convert to fraction form
    63,368.69/87,442.88 = 37,870.02/x
  3. Step 3: Cross multiply
    63,368.69x = 87,442.88 × 37,870.02
  4. Step 4: Simplify right side
    63,368.69x = 3,311,463,425.11
  5. Step 5: Solve for x
    x = 3,311,463,425.11/63,368.69
  6. Step 6: Final answer
    x = 52,257.10

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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.