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Finding the Fourth Proportional to 17,897.76, 26,830.08 and 10,860.48

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Solution

The fourth proportional to 17,897.76, 26,830.08 and 10,860.48 is: 16,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.76 : 26,830.08 = 10,860.48 : x
  2. Step 2: Convert to fraction form
    17,897.76/26,830.08 = 10,860.48/x
  3. Step 3: Cross multiply
    17,897.76x = 26,830.08 × 10,860.48
  4. Step 4: Simplify right side
    17,897.76x = 291,387,547.24
  5. Step 5: Solve for x
    x = 291,387,547.24/17,897.76
  6. Step 6: Final answer
    x = 16,280.67

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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.