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Finding the Fourth Proportional to 9,346,802.60, 14,020,203.90 and 8,905,903.40

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Solution

The fourth proportional to 9,346,802.60, 14,020,203.90 and 8,905,903.40 is: 13,358,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346,802.60 : 14,020,203.90 = 8,905,903.40 : x
  2. Step 2: Convert to fraction form
    9,346,802.60/14,020,203.90 = 8,905,903.40/x
  3. Step 3: Cross multiply
    9,346,802.60x = 14,020,203.90 × 8,905,903.40
  4. Step 4: Simplify right side
    9,346,802.60x = 124,862,581,581,703.27
  5. Step 5: Solve for x
    x = 124,862,581,581,703.27/9,346,802.60
  6. Step 6: Final answer
    x = 13,358,855.10

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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.