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Finding the Fourth Proportional to 19,030.51, 28,545.96 and 8,501.08

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Solution

The fourth proportional to 19,030.51, 28,545.96 and 8,501.08 is: 12,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.51 : 28,545.96 = 8,501.08 : x
  2. Step 2: Convert to fraction form
    19,030.51/28,545.96 = 8,501.08/x
  3. Step 3: Cross multiply
    19,030.51x = 28,545.96 × 8,501.08
  4. Step 4: Simplify right side
    19,030.51x = 242,671,489.64
  5. Step 5: Solve for x
    x = 242,671,489.64/19,030.51
  6. Step 6: Final answer
    x = 12,751.71

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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.