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Finding the Fourth Proportional to 61,571.52, 84,970.80 and 34,348.68

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Solution

The fourth proportional to 61,571.52, 84,970.80 and 34,348.68 is: 47,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.52 : 84,970.80 = 34,348.68 : x
  2. Step 2: Convert to fraction form
    61,571.52/84,970.80 = 34,348.68/x
  3. Step 3: Cross multiply
    61,571.52x = 84,970.80 × 34,348.68
  4. Step 4: Simplify right side
    61,571.52x = 2,918,634,818.54
  5. Step 5: Solve for x
    x = 2,918,634,818.54/61,571.52
  6. Step 6: Final answer
    x = 47,402.35

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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.