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Finding the Fourth Proportional to 65,590.08, 90,511.11 and 37,295.16

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Solution

The fourth proportional to 65,590.08, 90,511.11 and 37,295.16 is: 51,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,590.08 : 90,511.11 = 37,295.16 : x
  2. Step 2: Convert to fraction form
    65,590.08/90,511.11 = 37,295.16/x
  3. Step 3: Cross multiply
    65,590.08x = 90,511.11 × 37,295.16
  4. Step 4: Simplify right side
    65,590.08x = 3,375,626,329.23
  5. Step 5: Solve for x
    x = 3,375,626,329.23/65,590.08
  6. Step 6: Final answer
    x = 51,465.50

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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.