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Finding the Fourth Proportional to 30,547.52, 45,846.03 and 15,760.67

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Solution

The fourth proportional to 30,547.52, 45,846.03 and 15,760.67 is: 23,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.52 : 45,846.03 = 15,760.67 : x
  2. Step 2: Convert to fraction form
    30,547.52/45,846.03 = 15,760.67/x
  3. Step 3: Cross multiply
    30,547.52x = 45,846.03 × 15,760.67
  4. Step 4: Simplify right side
    30,547.52x = 722,563,920.41
  5. Step 5: Solve for x
    x = 722,563,920.41/30,547.52
  6. Step 6: Final answer
    x = 23,653.77

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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.