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Finding the Fourth Proportional to 15,045.12, 22,566.72 and 7,259.52

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Solution

The fourth proportional to 15,045.12, 22,566.72 and 7,259.52 is: 10,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.12 : 22,566.72 = 7,259.52 : x
  2. Step 2: Convert to fraction form
    15,045.12/22,566.72 = 7,259.52/x
  3. Step 3: Cross multiply
    15,045.12x = 22,566.72 × 7,259.52
  4. Step 4: Simplify right side
    15,045.12x = 163,823,555.17
  5. Step 5: Solve for x
    x = 163,823,555.17/15,045.12
  6. Step 6: Final answer
    x = 10,888.82

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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.