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Finding the Fourth Proportional to 37,459.01, 51,695 and 21,543.47

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Solution

The fourth proportional to 37,459.01, 51,695 and 21,543.47 is: 29,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,459.01 : 51,695 = 21,543.47 : x
  2. Step 2: Convert to fraction form
    37,459.01/51,695 = 21,543.47/x
  3. Step 3: Cross multiply
    37,459.01x = 51,695 × 21,543.47
  4. Step 4: Simplify right side
    37,459.01x = 1,113,689,681.65
  5. Step 5: Solve for x
    x = 1,113,689,681.65/37,459.01
  6. Step 6: Final answer
    x = 29,730.89

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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.