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Finding the Fourth Proportional to 61,966.70, 92,950.05 and 56,426.30

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Solution

The fourth proportional to 61,966.70, 92,950.05 and 56,426.30 is: 84,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.70 : 92,950.05 = 56,426.30 : x
  2. Step 2: Convert to fraction form
    61,966.70/92,950.05 = 56,426.30/x
  3. Step 3: Cross multiply
    61,966.70x = 92,950.05 × 56,426.30
  4. Step 4: Simplify right side
    61,966.70x = 5,244,827,406.32
  5. Step 5: Solve for x
    x = 5,244,827,406.32/61,966.70
  6. Step 6: Final answer
    x = 84,639.45

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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.