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Finding the Fourth Proportional to 35,896.42, 53,840.44 and 9,603.21

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Solution

The fourth proportional to 35,896.42, 53,840.44 and 9,603.21 is: 14,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,896.42 : 53,840.44 = 9,603.21 : x
  2. Step 2: Convert to fraction form
    35,896.42/53,840.44 = 9,603.21/x
  3. Step 3: Cross multiply
    35,896.42x = 53,840.44 × 9,603.21
  4. Step 4: Simplify right side
    35,896.42x = 517,041,051.81
  5. Step 5: Solve for x
    x = 517,041,051.81/35,896.42
  6. Step 6: Final answer
    x = 14,403.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.