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Finding the Fourth Proportional to 60,395.90, 90,595.73 and 28,809.38

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Solution

The fourth proportional to 60,395.90, 90,595.73 and 28,809.38 is: 43,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,395.90 : 90,595.73 = 28,809.38 : x
  2. Step 2: Convert to fraction form
    60,395.90/90,595.73 = 28,809.38/x
  3. Step 3: Cross multiply
    60,395.90x = 90,595.73 × 28,809.38
  4. Step 4: Simplify right side
    60,395.90x = 2,610,007,110.46
  5. Step 5: Solve for x
    x = 2,610,007,110.46/60,395.90
  6. Step 6: Final answer
    x = 43,214.98

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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.