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Finding the Fourth Proportional to 61,208.96, 91,802.88 and 16,230.64

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Solution

The fourth proportional to 61,208.96, 91,802.88 and 16,230.64 is: 24,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.96 : 91,802.88 = 16,230.64 : x
  2. Step 2: Convert to fraction form
    61,208.96/91,802.88 = 16,230.64/x
  3. Step 3: Cross multiply
    61,208.96x = 91,802.88 × 16,230.64
  4. Step 4: Simplify right side
    61,208.96x = 1,490,019,496.24
  5. Step 5: Solve for x
    x = 1,490,019,496.24/61,208.96
  6. Step 6: Final answer
    x = 24,343.16

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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.