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Finding the Fourth Proportional to 30,482.96, 45,693.05 and 17,307.50

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Solution

The fourth proportional to 30,482.96, 45,693.05 and 17,307.50 is: 25,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.96 : 45,693.05 = 17,307.50 : x
  2. Step 2: Convert to fraction form
    30,482.96/45,693.05 = 17,307.50/x
  3. Step 3: Cross multiply
    30,482.96x = 45,693.05 × 17,307.50
  4. Step 4: Simplify right side
    30,482.96x = 790,832,147.87
  5. Step 5: Solve for x
    x = 790,832,147.87/30,482.96
  6. Step 6: Final answer
    x = 25,943.42

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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.