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Finding the Fourth Proportional to 60,509.46, 90,696.93 and 45,670.26

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Solution

The fourth proportional to 60,509.46, 90,696.93 and 45,670.26 is: 68,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509.46 : 90,696.93 = 45,670.26 : x
  2. Step 2: Convert to fraction form
    60,509.46/90,696.93 = 45,670.26/x
  3. Step 3: Cross multiply
    60,509.46x = 90,696.93 × 45,670.26
  4. Step 4: Simplify right side
    60,509.46x = 4,142,152,374.30
  5. Step 5: Solve for x
    x = 4,142,152,374.30/60,509.46
  6. Step 6: Final answer
    x = 68,454.62

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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.