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Finding the Fourth Proportional to 60,477.32, 90,686.59 and 18,349.77

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Solution

The fourth proportional to 60,477.32, 90,686.59 and 18,349.77 is: 27,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.32 : 90,686.59 = 18,349.77 : x
  2. Step 2: Convert to fraction form
    60,477.32/90,686.59 = 18,349.77/x
  3. Step 3: Cross multiply
    60,477.32x = 90,686.59 × 18,349.77
  4. Step 4: Simplify right side
    60,477.32x = 1,664,078,362.78
  5. Step 5: Solve for x
    x = 1,664,078,362.78/60,477.32
  6. Step 6: Final answer
    x = 27,515.74

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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.