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Finding the Fourth Proportional to 30,495.52, 42,084.02 and 17,068.01

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Solution

The fourth proportional to 30,495.52, 42,084.02 and 17,068.01 is: 23,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.52 : 42,084.02 = 17,068.01 : x
  2. Step 2: Convert to fraction form
    30,495.52/42,084.02 = 17,068.01/x
  3. Step 3: Cross multiply
    30,495.52x = 42,084.02 × 17,068.01
  4. Step 4: Simplify right side
    30,495.52x = 718,290,543.17
  5. Step 5: Solve for x
    x = 718,290,543.17/30,495.52
  6. Step 6: Final answer
    x = 23,553.97

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1.5x scale

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.