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Finding the Fourth Proportional to 60,526.85, 90,804.81 and 18,973.85

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Solution

The fourth proportional to 60,526.85, 90,804.81 and 18,973.85 is: 28,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,526.85 : 90,804.81 = 18,973.85 : x
  2. Step 2: Convert to fraction form
    60,526.85/90,804.81 = 18,973.85/x
  3. Step 3: Cross multiply
    60,526.85x = 90,804.81 × 18,973.85
  4. Step 4: Simplify right side
    60,526.85x = 1,722,916,461.35
  5. Step 5: Solve for x
    x = 1,722,916,461.35/60,526.85
  6. Step 6: Final answer
    x = 28,465.33

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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.