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Finding the Fourth Proportional to 60,547.80, 90,837.90 and 43,051.80

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Solution

The fourth proportional to 60,547.80, 90,837.90 and 43,051.80 is: 64,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,547.80 : 90,837.90 = 43,051.80 : x
  2. Step 2: Convert to fraction form
    60,547.80/90,837.90 = 43,051.80/x
  3. Step 3: Cross multiply
    60,547.80x = 90,837.90 × 43,051.80
  4. Step 4: Simplify right side
    60,547.80x = 3,910,735,103.22
  5. Step 5: Solve for x
    x = 3,910,735,103.22/60,547.80
  6. Step 6: Final answer
    x = 64,589.22

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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.