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Finding the Fourth Proportional to 30,602.85, 45,904.28 and 16,557.45

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Solution

The fourth proportional to 30,602.85, 45,904.28 and 16,557.45 is: 24,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.85 : 45,904.28 = 16,557.45 : x
  2. Step 2: Convert to fraction form
    30,602.85/45,904.28 = 16,557.45/x
  3. Step 3: Cross multiply
    30,602.85x = 45,904.28 × 16,557.45
  4. Step 4: Simplify right side
    30,602.85x = 760,057,738.10
  5. Step 5: Solve for x
    x = 760,057,738.10/30,602.85
  6. Step 6: Final answer
    x = 24,836.18

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1.5x scale

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.