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Finding the Fourth Proportional to 10,308.52, 15,462.78 and 4,465

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Solution

The fourth proportional to 10,308.52, 15,462.78 and 4,465 is: 6,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.52 : 15,462.78 = 4,465 : x
  2. Step 2: Convert to fraction form
    10,308.52/15,462.78 = 4,465/x
  3. Step 3: Cross multiply
    10,308.52x = 15,462.78 × 4,465
  4. Step 4: Simplify right side
    10,308.52x = 69,041,312.70
  5. Step 5: Solve for x
    x = 69,041,312.70/10,308.52
  6. Step 6: Final answer
    x = 6,697.50

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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.