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Finding the Fourth Proportional to 64,690.98, 97,036.90 and 22,570.90

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Solution

The fourth proportional to 64,690.98, 97,036.90 and 22,570.90 is: 33,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,690.98 : 97,036.90 = 22,570.90 : x
  2. Step 2: Convert to fraction form
    64,690.98/97,036.90 = 22,570.90/x
  3. Step 3: Cross multiply
    64,690.98x = 97,036.90 × 22,570.90
  4. Step 4: Simplify right side
    64,690.98x = 2,190,210,166.21
  5. Step 5: Solve for x
    x = 2,190,210,166.21/64,690.98
  6. Step 6: Final answer
    x = 33,856.50

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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.