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Finding the Fourth Proportional to 61,703.64, 92,555.40 and 20,150.64

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Solution

The fourth proportional to 61,703.64, 92,555.40 and 20,150.64 is: 30,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.64 : 92,555.40 = 20,150.64 : x
  2. Step 2: Convert to fraction form
    61,703.64/92,555.40 = 20,150.64/x
  3. Step 3: Cross multiply
    61,703.64x = 92,555.40 × 20,150.64
  4. Step 4: Simplify right side
    61,703.64x = 1,865,050,545.46
  5. Step 5: Solve for x
    x = 1,865,050,545.46/61,703.64
  6. Step 6: Final answer
    x = 30,225.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.