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Finding the Fourth Proportional to 12,097,000.65, 18,145,501.28 and 12,097,000.65

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Solution

The fourth proportional to 12,097,000.65, 18,145,501.28 and 12,097,000.65 is: 18,145,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,000.65 : 18,145,501.28 = 12,097,000.65 : x
  2. Step 2: Convert to fraction form
    12,097,000.65/18,145,501.28 = 12,097,000.65/x
  3. Step 3: Cross multiply
    12,097,000.65x = 18,145,501.28 × 12,097,000.65
  4. Step 4: Simplify right side
    12,097,000.65x = 219,506,140,718,250.81
  5. Step 5: Solve for x
    x = 219,506,140,718,250.81/12,097,000.65
  6. Step 6: Final answer
    x = 18,145,501.28

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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.