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Finding the Fourth Proportional to 42,993, 59,330.75 and 24,130.53

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Solution

The fourth proportional to 42,993, 59,330.75 and 24,130.53 is: 33,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993 : 59,330.75 = 24,130.53 : x
  2. Step 2: Convert to fraction form
    42,993/59,330.75 = 24,130.53/x
  3. Step 3: Cross multiply
    42,993x = 59,330.75 × 24,130.53
  4. Step 4: Simplify right side
    42,993x = 1,431,682,322.14
  5. Step 5: Solve for x
    x = 1,431,682,322.14/42,993
  6. Step 6: Final answer
    x = 33,300.36

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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.