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Finding the Fourth Proportional to 84,598.70, 126,897.71 and 37,818.77

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Solution

The fourth proportional to 84,598.70, 126,897.71 and 37,818.77 is: 56,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598.70 : 126,897.71 = 37,818.77 : x
  2. Step 2: Convert to fraction form
    84,598.70/126,897.71 = 37,818.77/x
  3. Step 3: Cross multiply
    84,598.70x = 126,897.71 × 37,818.77
  4. Step 4: Simplify right side
    84,598.70x = 4,799,114,484.43
  5. Step 5: Solve for x
    x = 4,799,114,484.43/84,598.70
  6. Step 6: Final answer
    x = 56,728.00

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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.