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Finding the Fourth Proportional to 75,030.67, 103,543.01 and 41,038.48

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Solution

The fourth proportional to 75,030.67, 103,543.01 and 41,038.48 is: 56,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.67 : 103,543.01 = 41,038.48 : x
  2. Step 2: Convert to fraction form
    75,030.67/103,543.01 = 41,038.48/x
  3. Step 3: Cross multiply
    75,030.67x = 103,543.01 × 41,038.48
  4. Step 4: Simplify right side
    75,030.67x = 4,249,247,745.02
  5. Step 5: Solve for x
    x = 4,249,247,745.02/75,030.67
  6. Step 6: Final answer
    x = 56,633.48

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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.