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Finding the Fourth Proportional to 60,720.86, 83,804.91 and 35,248.38

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Solution

The fourth proportional to 60,720.86, 83,804.91 and 35,248.38 is: 48,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.86 : 83,804.91 = 35,248.38 : x
  2. Step 2: Convert to fraction form
    60,720.86/83,804.91 = 35,248.38/x
  3. Step 3: Cross multiply
    60,720.86x = 83,804.91 × 35,248.38
  4. Step 4: Simplify right side
    60,720.86x = 2,953,987,536.77
  5. Step 5: Solve for x
    x = 2,953,987,536.77/60,720.86
  6. Step 6: Final answer
    x = 48,648.65

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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.