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Finding the Fourth Proportional to 60,890.78, 84,000.70 and 37,001.46

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Solution

The fourth proportional to 60,890.78, 84,000.70 and 37,001.46 is: 51,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.78 : 84,000.70 = 37,001.46 : x
  2. Step 2: Convert to fraction form
    60,890.78/84,000.70 = 37,001.46/x
  3. Step 3: Cross multiply
    60,890.78x = 84,000.70 × 37,001.46
  4. Step 4: Simplify right side
    60,890.78x = 3,108,148,541.02
  5. Step 5: Solve for x
    x = 3,108,148,541.02/60,890.78
  6. Step 6: Final answer
    x = 51,044.65

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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.