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Finding the Fourth Proportional to 61,653.01, 85,081.16 and 33,358.70

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Solution

The fourth proportional to 61,653.01, 85,081.16 and 33,358.70 is: 46,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.01 : 85,081.16 = 33,358.70 : x
  2. Step 2: Convert to fraction form
    61,653.01/85,081.16 = 33,358.70/x
  3. Step 3: Cross multiply
    61,653.01x = 85,081.16 × 33,358.70
  4. Step 4: Simplify right side
    61,653.01x = 2,838,196,550.08
  5. Step 5: Solve for x
    x = 2,838,196,550.08/61,653.01
  6. Step 6: Final answer
    x = 46,035.01

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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.