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Finding the Fourth Proportional to 65,590.84, 90,515.37 and 37,298.26

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Solution

The fourth proportional to 65,590.84, 90,515.37 and 37,298.26 is: 51,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,590.84 : 90,515.37 = 37,298.26 : x
  2. Step 2: Convert to fraction form
    65,590.84/90,515.37 = 37,298.26/x
  3. Step 3: Cross multiply
    65,590.84x = 90,515.37 × 37,298.26
  4. Step 4: Simplify right side
    65,590.84x = 3,376,065,804.26
  5. Step 5: Solve for x
    x = 3,376,065,804.26/65,590.84
  6. Step 6: Final answer
    x = 51,471.60

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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.