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Finding the Fourth Proportional to 30,901, 45,953.97 and 29,916.88

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Solution

The fourth proportional to 30,901, 45,953.97 and 29,916.88 is: 44,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901 : 45,953.97 = 29,916.88 : x
  2. Step 2: Convert to fraction form
    30,901/45,953.97 = 29,916.88/x
  3. Step 3: Cross multiply
    30,901x = 45,953.97 × 29,916.88
  4. Step 4: Simplify right side
    30,901x = 1,374,799,406.01
  5. Step 5: Solve for x
    x = 1,374,799,406.01/30,901
  6. Step 6: Final answer
    x = 44,490.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.