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Finding the Fourth Proportional to 53,881.98, 74,337.03 and 53,798.91

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Solution

The fourth proportional to 53,881.98, 74,337.03 and 53,798.91 is: 74,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.98 : 74,337.03 = 53,798.91 : x
  2. Step 2: Convert to fraction form
    53,881.98/74,337.03 = 53,798.91/x
  3. Step 3: Cross multiply
    53,881.98x = 74,337.03 × 53,798.91
  4. Step 4: Simplify right side
    53,881.98x = 3,999,251,186.64
  5. Step 5: Solve for x
    x = 3,999,251,186.64/53,881.98
  6. Step 6: Final answer
    x = 74,222.42

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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.