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Finding the Fourth Proportional to 15,673.84, 23,510.04 and 5,285.50

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Solution

The fourth proportional to 15,673.84, 23,510.04 and 5,285.50 is: 7,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.84 : 23,510.04 = 5,285.50 : x
  2. Step 2: Convert to fraction form
    15,673.84/23,510.04 = 5,285.50/x
  3. Step 3: Cross multiply
    15,673.84x = 23,510.04 × 5,285.50
  4. Step 4: Simplify right side
    15,673.84x = 124,262,316.42
  5. Step 5: Solve for x
    x = 124,262,316.42/15,673.84
  6. Step 6: Final answer
    x = 7,928.01

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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.