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Finding the Fourth Proportional to 59,653.49, 89,484.80 and 19,656.90

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Solution

The fourth proportional to 59,653.49, 89,484.80 and 19,656.90 is: 29,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.49 : 89,484.80 = 19,656.90 : x
  2. Step 2: Convert to fraction form
    59,653.49/89,484.80 = 19,656.90/x
  3. Step 3: Cross multiply
    59,653.49x = 89,484.80 × 19,656.90
  4. Step 4: Simplify right side
    59,653.49x = 1,758,993,666.84
  5. Step 5: Solve for x
    x = 1,758,993,666.84/59,653.49
  6. Step 6: Final answer
    x = 29,486.86

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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.