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Finding the Fourth Proportional to 15,671.52, 23,510.76 and 5,283

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Solution

The fourth proportional to 15,671.52, 23,510.76 and 5,283 is: 7,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.52 : 23,510.76 = 5,283 : x
  2. Step 2: Convert to fraction form
    15,671.52/23,510.76 = 5,283/x
  3. Step 3: Cross multiply
    15,671.52x = 23,510.76 × 5,283
  4. Step 4: Simplify right side
    15,671.52x = 124,207,345.08
  5. Step 5: Solve for x
    x = 124,207,345.08/15,671.52
  6. Step 6: Final answer
    x = 7,925.67

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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.