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Finding the Fourth Proportional to 42,392.16, 63,594 and 14,692.32

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Solution

The fourth proportional to 42,392.16, 63,594 and 14,692.32 is: 22,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.16 : 63,594 = 14,692.32 : x
  2. Step 2: Convert to fraction form
    42,392.16/63,594 = 14,692.32/x
  3. Step 3: Cross multiply
    42,392.16x = 63,594 × 14,692.32
  4. Step 4: Simplify right side
    42,392.16x = 934,343,398.08
  5. Step 5: Solve for x
    x = 934,343,398.08/42,392.16
  6. Step 6: Final answer
    x = 22,040.48

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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.