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Finding the Fourth Proportional to 73,482.98, 101,416.79 and 53,131.12

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Solution

The fourth proportional to 73,482.98, 101,416.79 and 53,131.12 is: 73,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,482.98 : 101,416.79 = 53,131.12 : x
  2. Step 2: Convert to fraction form
    73,482.98/101,416.79 = 53,131.12/x
  3. Step 3: Cross multiply
    73,482.98x = 101,416.79 × 53,131.12
  4. Step 4: Simplify right side
    73,482.98x = 5,388,387,518.79
  5. Step 5: Solve for x
    x = 5,388,387,518.79/73,482.98
  6. Step 6: Final answer
    x = 73,328.38

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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.