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Finding the Fourth Proportional to 62,970.01, 86,904.75 and 47,026.78

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Solution

The fourth proportional to 62,970.01, 86,904.75 and 47,026.78 is: 64,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.01 : 86,904.75 = 47,026.78 : x
  2. Step 2: Convert to fraction form
    62,970.01/86,904.75 = 47,026.78/x
  3. Step 3: Cross multiply
    62,970.01x = 86,904.75 × 47,026.78
  4. Step 4: Simplify right side
    62,970.01x = 4,086,850,253.77
  5. Step 5: Solve for x
    x = 4,086,850,253.77/62,970.01
  6. Step 6: Final answer
    x = 64,901.54

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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.