Finding the Fourth Proportional to 47,352,272.76, 65,357,056.26 and 27,779,448.96
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Solution
The fourth proportional to 47,352,272.76, 65,357,056.26 and 27,779,448.96 is: 38,342,045.75
Step by Step Solution
- Step 1: Write the proportion equation
47,352,272.76 : 65,357,056.26 = 27,779,448.96 : x - Step 2: Convert to fraction form
47,352,272.76/65,357,056.26 = 27,779,448.96/x - Step 3: Cross multiply
47,352,272.76x = 65,357,056.26 × 27,779,448.96 - Step 4: Simplify right side
47,352,272.76x = 1,815,583,008,550,518.50 - Step 5: Solve for x
x = 1,815,583,008,550,518.50/47,352,272.76 - Step 6: Final answer
x = 38,342,045.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.