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Finding the Fourth Proportional to 45,802.68, 68,703.48 and 25,813.68

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Solution

The fourth proportional to 45,802.68, 68,703.48 and 25,813.68 is: 38,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802.68 : 68,703.48 = 25,813.68 : x
  2. Step 2: Convert to fraction form
    45,802.68/68,703.48 = 25,813.68/x
  3. Step 3: Cross multiply
    45,802.68x = 68,703.48 × 25,813.68
  4. Step 4: Simplify right side
    45,802.68x = 1,773,489,647.61
  5. Step 5: Solve for x
    x = 1,773,489,647.61/45,802.68
  6. Step 6: Final answer
    x = 38,720.22

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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.