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Finding the Fourth Proportional to 32,624.80, 45,005.74 and 19,187.50

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Solution

The fourth proportional to 32,624.80, 45,005.74 and 19,187.50 is: 26,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,624.80 : 45,005.74 = 19,187.50 : x
  2. Step 2: Convert to fraction form
    32,624.80/45,005.74 = 19,187.50/x
  3. Step 3: Cross multiply
    32,624.80x = 45,005.74 × 19,187.50
  4. Step 4: Simplify right side
    32,624.80x = 863,547,636.25
  5. Step 5: Solve for x
    x = 863,547,636.25/32,624.80
  6. Step 6: Final answer
    x = 26,469.06

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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.