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Finding the Fourth Proportional to 60,305.61, 90,466.65 and 20,852.13

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Solution

The fourth proportional to 60,305.61, 90,466.65 and 20,852.13 is: 31,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,305.61 : 90,466.65 = 20,852.13 : x
  2. Step 2: Convert to fraction form
    60,305.61/90,466.65 = 20,852.13/x
  3. Step 3: Cross multiply
    60,305.61x = 90,466.65 × 20,852.13
  4. Step 4: Simplify right side
    60,305.61x = 1,886,422,346.46
  5. Step 5: Solve for x
    x = 1,886,422,346.46/60,305.61
  6. Step 6: Final answer
    x = 31,281.04

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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.