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Finding the Fourth Proportional to 42,303.40, 63,411.90 and 24,764.20

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Solution

The fourth proportional to 42,303.40, 63,411.90 and 24,764.20 is: 37,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303.40 : 63,411.90 = 24,764.20 : x
  2. Step 2: Convert to fraction form
    42,303.40/63,411.90 = 24,764.20/x
  3. Step 3: Cross multiply
    42,303.40x = 63,411.90 × 24,764.20
  4. Step 4: Simplify right side
    42,303.40x = 1,570,344,973.98
  5. Step 5: Solve for x
    x = 1,570,344,973.98/42,303.40
  6. Step 6: Final answer
    x = 37,121.01

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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.