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Finding the Fourth Proportional to 60,712.40, 91,068.60 and 46,699.40

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Solution

The fourth proportional to 60,712.40, 91,068.60 and 46,699.40 is: 70,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.40 : 91,068.60 = 46,699.40 : x
  2. Step 2: Convert to fraction form
    60,712.40/91,068.60 = 46,699.40/x
  3. Step 3: Cross multiply
    60,712.40x = 91,068.60 × 46,699.40
  4. Step 4: Simplify right side
    60,712.40x = 4,252,848,978.84
  5. Step 5: Solve for x
    x = 4,252,848,978.84/60,712.40
  6. Step 6: Final answer
    x = 70,049.10

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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.