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Finding the Fourth Proportional to 10,905,368.40, 16,356,740.40 and 4,514,954.40

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Solution

The fourth proportional to 10,905,368.40, 16,356,740.40 and 4,514,954.40 is: 6,771,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,368.40 : 16,356,740.40 = 4,514,954.40 : x
  2. Step 2: Convert to fraction form
    10,905,368.40/16,356,740.40 = 4,514,954.40/x
  3. Step 3: Cross multiply
    10,905,368.40x = 16,356,740.40 × 4,514,954.40
  4. Step 4: Simplify right side
    10,905,368.40x = 73,849,937,038,637.77
  5. Step 5: Solve for x
    x = 73,849,937,038,637.77/10,905,368.40
  6. Step 6: Final answer
    x = 6,771,888.33

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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.