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Finding the Fourth Proportional to 73,649.48, 101,674.74 and 57,482.06

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Solution

The fourth proportional to 73,649.48, 101,674.74 and 57,482.06 is: 79,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,649.48 : 101,674.74 = 57,482.06 : x
  2. Step 2: Convert to fraction form
    73,649.48/101,674.74 = 57,482.06/x
  3. Step 3: Cross multiply
    73,649.48x = 101,674.74 × 57,482.06
  4. Step 4: Simplify right side
    73,649.48x = 5,844,473,505.16
  5. Step 5: Solve for x
    x = 5,844,473,505.16/73,649.48
  6. Step 6: Final answer
    x = 79,355.26

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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.