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Finding the Fourth Proportional to 60,325.55, 90,503.70 and 42,590.76

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Solution

The fourth proportional to 60,325.55, 90,503.70 and 42,590.76 is: 63,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,325.55 : 90,503.70 = 42,590.76 : x
  2. Step 2: Convert to fraction form
    60,325.55/90,503.70 = 42,590.76/x
  3. Step 3: Cross multiply
    60,325.55x = 90,503.70 × 42,590.76
  4. Step 4: Simplify right side
    60,325.55x = 3,854,621,365.81
  5. Step 5: Solve for x
    x = 3,854,621,365.81/60,325.55
  6. Step 6: Final answer
    x = 63,896.99

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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.