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Finding the Fourth Proportional to 10,209,386.70, 14,303,770.20 and 10,209,386.70

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Solution

The fourth proportional to 10,209,386.70, 14,303,770.20 and 10,209,386.70 is: 14,303,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209,386.70 : 14,303,770.20 = 10,209,386.70 : x
  2. Step 2: Convert to fraction form
    10,209,386.70/14,303,770.20 = 10,209,386.70/x
  3. Step 3: Cross multiply
    10,209,386.70x = 14,303,770.20 × 10,209,386.70
  4. Step 4: Simplify right side
    10,209,386.70x = 146,032,721,239,736.31
  5. Step 5: Solve for x
    x = 146,032,721,239,736.31/10,209,386.70
  6. Step 6: Final answer
    x = 14,303,770.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.