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Finding the Fourth Proportional to 45,689.67, 63,047.70 and 25,543.89

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Solution

The fourth proportional to 45,689.67, 63,047.70 and 25,543.89 is: 35,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,689.67 : 63,047.70 = 25,543.89 : x
  2. Step 2: Convert to fraction form
    45,689.67/63,047.70 = 25,543.89/x
  3. Step 3: Cross multiply
    45,689.67x = 63,047.70 × 25,543.89
  4. Step 4: Simplify right side
    45,689.67x = 1,610,483,513.55
  5. Step 5: Solve for x
    x = 1,610,483,513.55/45,689.67
  6. Step 6: Final answer
    x = 35,248.31

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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.