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Finding the Fourth Proportional to 60,699.85, 90,600.30 and 56,960.08

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Solution

The fourth proportional to 60,699.85, 90,600.30 and 56,960.08 is: 85,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.85 : 90,600.30 = 56,960.08 : x
  2. Step 2: Convert to fraction form
    60,699.85/90,600.30 = 56,960.08/x
  3. Step 3: Cross multiply
    60,699.85x = 90,600.30 × 56,960.08
  4. Step 4: Simplify right side
    60,699.85x = 5,160,599,598.22
  5. Step 5: Solve for x
    x = 5,160,599,598.22/60,699.85
  6. Step 6: Final answer
    x = 85,018.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.