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Finding the Fourth Proportional to 61,606.96, 85,011.28 and 45,482.83

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Solution

The fourth proportional to 61,606.96, 85,011.28 and 45,482.83 is: 62,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,606.96 : 85,011.28 = 45,482.83 : x
  2. Step 2: Convert to fraction form
    61,606.96/85,011.28 = 45,482.83/x
  3. Step 3: Cross multiply
    61,606.96x = 85,011.28 × 45,482.83
  4. Step 4: Simplify right side
    61,606.96x = 3,866,553,596.32
  5. Step 5: Solve for x
    x = 3,866,553,596.32/61,606.96
  6. Step 6: Final answer
    x = 62,761.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.