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Finding the Fourth Proportional to 10,586,328.40, 14,788,900.40 and 10,586,328.40

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Solution

The fourth proportional to 10,586,328.40, 14,788,900.40 and 10,586,328.40 is: 14,788,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586,328.40 : 14,788,900.40 = 10,586,328.40 : x
  2. Step 2: Convert to fraction form
    10,586,328.40/14,788,900.40 = 10,586,328.40/x
  3. Step 3: Cross multiply
    10,586,328.40x = 14,788,900.40 × 10,586,328.40
  4. Step 4: Simplify right side
    10,586,328.40x = 156,560,156,309,291.38
  5. Step 5: Solve for x
    x = 156,560,156,309,291.38/10,586,328.40
  6. Step 6: Final answer
    x = 14,788,900.40

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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.