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Finding the Fourth Proportional to 30,597.55, 45,886.60 and 9,816.19

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Solution

The fourth proportional to 30,597.55, 45,886.60 and 9,816.19 is: 14,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.55 : 45,886.60 = 9,816.19 : x
  2. Step 2: Convert to fraction form
    30,597.55/45,886.60 = 9,816.19/x
  3. Step 3: Cross multiply
    30,597.55x = 45,886.60 × 9,816.19
  4. Step 4: Simplify right side
    30,597.55x = 450,431,481.61
  5. Step 5: Solve for x
    x = 450,431,481.61/30,597.55
  6. Step 6: Final answer
    x = 14,721.16

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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.