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Finding the Fourth Proportional to 61,572.71, 84,970.42 and 33,278.39

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Solution

The fourth proportional to 61,572.71, 84,970.42 and 33,278.39 is: 45,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.71 : 84,970.42 = 33,278.39 : x
  2. Step 2: Convert to fraction form
    61,572.71/84,970.42 = 33,278.39/x
  3. Step 3: Cross multiply
    61,572.71x = 84,970.42 × 33,278.39
  4. Step 4: Simplify right side
    61,572.71x = 2,827,679,063.77
  5. Step 5: Solve for x
    x = 2,827,679,063.77/61,572.71
  6. Step 6: Final answer
    x = 45,924.23

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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.