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Finding the Fourth Proportional to 7,897.74, 10,898.88 and 4,360.95

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Solution

The fourth proportional to 7,897.74, 10,898.88 and 4,360.95 is: 6,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.74 : 10,898.88 = 4,360.95 : x
  2. Step 2: Convert to fraction form
    7,897.74/10,898.88 = 4,360.95/x
  3. Step 3: Cross multiply
    7,897.74x = 10,898.88 × 4,360.95
  4. Step 4: Simplify right side
    7,897.74x = 47,529,470.74
  5. Step 5: Solve for x
    x = 47,529,470.74/7,897.74
  6. Step 6: Final answer
    x = 6,018.11

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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.