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Finding the Fourth Proportional to 60,605.90, 90,878.42 and 35,313.59

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Solution

The fourth proportional to 60,605.90, 90,878.42 and 35,313.59 is: 52,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,605.90 : 90,878.42 = 35,313.59 : x
  2. Step 2: Convert to fraction form
    60,605.90/90,878.42 = 35,313.59/x
  3. Step 3: Cross multiply
    60,605.90x = 90,878.42 × 35,313.59
  4. Step 4: Simplify right side
    60,605.90x = 3,209,243,068.02
  5. Step 5: Solve for x
    x = 3,209,243,068.02/60,605.90
  6. Step 6: Final answer
    x = 52,952.65

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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.