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Finding the Fourth Proportional to 63,730,809.80, 95,596,214.70 and 20,630,944.70

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Solution

The fourth proportional to 63,730,809.80, 95,596,214.70 and 20,630,944.70 is: 30,946,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,730,809.80 : 95,596,214.70 = 20,630,944.70 : x
  2. Step 2: Convert to fraction form
    63,730,809.80/95,596,214.70 = 20,630,944.70/x
  3. Step 3: Cross multiply
    63,730,809.80x = 95,596,214.70 × 20,630,944.70
  4. Step 4: Simplify right side
    63,730,809.80x = 1,972,240,219,005,027
  5. Step 5: Solve for x
    x = 1,972,240,219,005,027/63,730,809.80
  6. Step 6: Final answer
    x = 30,946,417.05

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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.