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Finding the Fourth Proportional to 53,666.70, 74,060.36 and 29,468.70

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Solution

The fourth proportional to 53,666.70, 74,060.36 and 29,468.70 is: 40,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.70 : 74,060.36 = 29,468.70 : x
  2. Step 2: Convert to fraction form
    53,666.70/74,060.36 = 29,468.70/x
  3. Step 3: Cross multiply
    53,666.70x = 74,060.36 × 29,468.70
  4. Step 4: Simplify right side
    53,666.70x = 2,182,462,530.73
  5. Step 5: Solve for x
    x = 2,182,462,530.73/53,666.70
  6. Step 6: Final answer
    x = 40,666.98

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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.