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Finding the Fourth Proportional to 53,672.76, 74,070.80 and 29,799.76

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Solution

The fourth proportional to 53,672.76, 74,070.80 and 29,799.76 is: 41,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.76 : 74,070.80 = 29,799.76 : x
  2. Step 2: Convert to fraction form
    53,672.76/74,070.80 = 29,799.76/x
  3. Step 3: Cross multiply
    53,672.76x = 74,070.80 × 29,799.76
  4. Step 4: Simplify right side
    53,672.76x = 2,207,292,063.01
  5. Step 5: Solve for x
    x = 2,207,292,063.01/53,672.76
  6. Step 6: Final answer
    x = 41,125.00

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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.