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Finding the Fourth Proportional to 51,602.49, 77,430.78 and 37,487.58

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Solution

The fourth proportional to 51,602.49, 77,430.78 and 37,487.58 is: 56,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.49 : 77,430.78 = 37,487.58 : x
  2. Step 2: Convert to fraction form
    51,602.49/77,430.78 = 37,487.58/x
  3. Step 3: Cross multiply
    51,602.49x = 77,430.78 × 37,487.58
  4. Step 4: Simplify right side
    51,602.49x = 2,902,692,559.71
  5. Step 5: Solve for x
    x = 2,902,692,559.71/51,602.49
  6. Step 6: Final answer
    x = 56,251.02

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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.