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Finding the Fourth Proportional to 8,897.79, 13,354.76 and 4,741.34

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Solution

The fourth proportional to 8,897.79, 13,354.76 and 4,741.34 is: 7,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.79 : 13,354.76 = 4,741.34 : x
  2. Step 2: Convert to fraction form
    8,897.79/13,354.76 = 4,741.34/x
  3. Step 3: Cross multiply
    8,897.79x = 13,354.76 × 4,741.34
  4. Step 4: Simplify right side
    8,897.79x = 63,319,503.02
  5. Step 5: Solve for x
    x = 63,319,503.02/8,897.79
  6. Step 6: Final answer
    x = 7,116.32

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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.