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Finding the Fourth Proportional to 9,773,430.40, 14,691,638.40 and 6,953,075.20

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Solution

The fourth proportional to 9,773,430.40, 14,691,638.40 and 6,953,075.20 is: 10,452,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773,430.40 : 14,691,638.40 = 6,953,075.20 : x
  2. Step 2: Convert to fraction form
    9,773,430.40/14,691,638.40 = 6,953,075.20/x
  3. Step 3: Cross multiply
    9,773,430.40x = 14,691,638.40 × 6,953,075.20
  4. Step 4: Simplify right side
    9,773,430.40x = 102,152,066,606,407.69
  5. Step 5: Solve for x
    x = 102,152,066,606,407.69/9,773,430.40
  6. Step 6: Final answer
    x = 10,452,017.61

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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.