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Finding the Fourth Proportional to 30,335,384.61, 41,862,978.81 and 16,584,349.41

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Solution

The fourth proportional to 30,335,384.61, 41,862,978.81 and 16,584,349.41 is: 22,886,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,384.61 : 41,862,978.81 = 16,584,349.41 : x
  2. Step 2: Convert to fraction form
    30,335,384.61/41,862,978.81 = 16,584,349.41/x
  3. Step 3: Cross multiply
    30,335,384.61x = 41,862,978.81 × 16,584,349.41
  4. Step 4: Simplify right side
    30,335,384.61x = 694,270,267,928,466
  5. Step 5: Solve for x
    x = 694,270,267,928,466/30,335,384.61
  6. Step 6: Final answer
    x = 22,886,483.12

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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.