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Finding the Fourth Proportional to 60,618.56, 90,927.81 and 28,590.19

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Solution

The fourth proportional to 60,618.56, 90,927.81 and 28,590.19 is: 42,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,618.56 : 90,927.81 = 28,590.19 : x
  2. Step 2: Convert to fraction form
    60,618.56/90,927.81 = 28,590.19/x
  3. Step 3: Cross multiply
    60,618.56x = 90,927.81 × 28,590.19
  4. Step 4: Simplify right side
    60,618.56x = 2,599,642,838.07
  5. Step 5: Solve for x
    x = 2,599,642,838.07/60,618.56
  6. Step 6: Final answer
    x = 42,885.26

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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.