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Finding the Fourth Proportional to 10,875.52, 15,008.40 and 5,907.52

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Solution

The fourth proportional to 10,875.52, 15,008.40 and 5,907.52 is: 8,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.52 : 15,008.40 = 5,907.52 : x
  2. Step 2: Convert to fraction form
    10,875.52/15,008.40 = 5,907.52/x
  3. Step 3: Cross multiply
    10,875.52x = 15,008.40 × 5,907.52
  4. Step 4: Simplify right side
    10,875.52x = 88,662,423.17
  5. Step 5: Solve for x
    x = 88,662,423.17/10,875.52
  6. Step 6: Final answer
    x = 8,152.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.