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Finding the Fourth Proportional to 34,745, 47,987.70 and 23,547.56

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Solution

The fourth proportional to 34,745, 47,987.70 and 23,547.56 is: 32,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,745 : 47,987.70 = 23,547.56 : x
  2. Step 2: Convert to fraction form
    34,745/47,987.70 = 23,547.56/x
  3. Step 3: Cross multiply
    34,745x = 47,987.70 × 23,547.56
  4. Step 4: Simplify right side
    34,745x = 1,129,993,245.01
  5. Step 5: Solve for x
    x = 1,129,993,245.01/34,745
  6. Step 6: Final answer
    x = 32,522.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.