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Finding the Fourth Proportional to 66,159, 91,298.93 and 35,944.57

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Solution

The fourth proportional to 66,159, 91,298.93 and 35,944.57 is: 49,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159 : 91,298.93 = 35,944.57 : x
  2. Step 2: Convert to fraction form
    66,159/91,298.93 = 35,944.57/x
  3. Step 3: Cross multiply
    66,159x = 91,298.93 × 35,944.57
  4. Step 4: Simplify right side
    66,159x = 3,281,700,600.59
  5. Step 5: Solve for x
    x = 3,281,700,600.59/66,159
  6. Step 6: Final answer
    x = 49,603.24

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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.